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• Robust quantum state transfer via topological edge states in superconducting qubit chains
  Robust quantum state transfer (QST) is an indispensable ingredient in scalable quantum information processing. Here we present an experimentally feasible mechanism for realizing robust QST via topologically protected edge states in superconducting qubit chains…
  openalex Feng Mei, Gang Chen, Lin Tian, Shi-Liang Zhu 等 2018-07-27 置信度 0.72 QubitTopology (electrical circuits)Quantum computerPhysicsQuantum
• Error generation and propagation in Majorana-based topological qubits
  We investigate dynamical evolution of a topological memory that consists of two $p$-wave superconducting wires separated by a nontopological junction, focusing on the primary errors (i.e., qubit loss) and secondary errors (bit and phase flip) that arise due to…
  openalex Aaron Conlon, D. Pellegrino, J. K. Slingerland, Shane Dooley 等 2019-10-15 置信度 0.72 QubitMAJORANAPhysicsTopology (electrical circuits)Flux qubit
• Majorana qubits for topological quantum computing
  Researchers are trying to store robust quantum information in Majorana particles and are generating quantum gates by exploiting the bizarre non-abelian statistics of Majorana zero modes bound to topological defects.
  openalex Ramón Aguado, Leo P. Kouwenhoven 2020-06-01 置信度 0.72 MAJORANAQubitQuantum computerPhysicsQuantum
• Observation of topological Uhlmann phases with superconducting qubits
  Abstract Topological insulators and superconductors at finite temperature can be characterized by the topological Uhlmann phase. However, a direct experimental measurement of this invariant has remained elusive in condensed matter systems. Here, we report a me…
  openalex Oscar Viyuela, ́Angel Rivas, Simone Gasparinetti, Andreas Wallraff 等 2018-02-02 置信度 0.72 Topological insulatorQubitUnobservableTopology (electrical circuits)Physics
• Topological Qubits from Valence Bond Solids
  Topological qubits based on SU(N)-symmetric valence-bond solid models are constructed. A logical topological qubit is the ground subspace with twofold degeneracy, which is due to the spontaneous breaking of a global parity symmetry. A logical Z rotation by an …
  openalex Dongsheng Wang, Ian Affleck, Robert Raussendorf 2018-05-17 置信度 0.72 PhysicsQubitTopology (electrical circuits)Subspace topologyTopological degeneracy
• Topological superconductors: a review
  This review elaborates pedagogically on the fundamental concept, basic theory, expected properties, and materials realizations of topological superconductors. The relation between topological superconductivity and Majorana fermions are explained, and the diffe…
  openalex Masatoshi Sato, Yoichi Ando 2017-04-03 置信度 0.72 MAJORANAPhysicsFermionSuperconductivityTopology (electrical circuits)
• Magnetically Defined Qubits on 3D Topological Insulators
  We explore potentials that break time-reversal symmetry to confine the surface states of 3D topological insulators into quantum wires and quantum dots. A magnetic domain wall on a ferromagnet insulator cap layer provides interfacial states predicted to show th…
  openalex Gerson J. Ferreira, Daniel Loss 2013-09-04 置信度 0.72 Quantum anomalous Hall effectTopological insulatorQubitQuantum dotCondensed matter physics
• Topological Quantum Distillation
  We construct a class of topological quantum codes to perform quantum entanglement distillation. These codes implement the whole Clifford group of unitary operations in a fully topological manner and without selective addressing of qubits. This allows us to ext…
  openalex Héctor Bombín, M. A. Martín-Delgado 2006-10-30 置信度 0.72 Topology (electrical circuits)Quantum teleportationDistillationQuantum entanglementQuantum computer
• Fault-tolerant protection of near-term trapped-ion topological qubits under realistic noise sources
  Taking into account an increasingly realistic noise model, a low-resource toolbox of fault-tolerant quantum error detection and correction scheme is provided. By extensive numerical simulations, a thorough microscopic characterization is performed, showing tha…
  openalex A. Bermúdez, Xiaosi Xu, Marco Gutiérrez, Simon C. Benjamin 等 2019-12-04 置信度 0.72 QubitComputer scienceNoise (video)Quantum error correctionQuantum computer
• Machine-learning-assisted correction of correlated qubit errors in a topological code
  A fault-tolerant quantum computation requires an efficient means to detect and correct errors that accumulate in encoded quantum information. In the context of machine learning, neural networks are a promising new approach to quantum error correction. Here we …
  openalex Paul Baireuther, Thomas E. O’Brien, Brian Tarasinski, C. W. J. Beenakker 2018-01-29 置信度 0.72 Computer scienceArtificial neural networkQubitError detection and correctionToric code
• Majorana qubits in a topological insulator nanoribbon architecture
  We describe designs for the realization of topological Majorana qubits in terms of proximitized topological insulator nanoribbons pierced by a uniform axial magnetic field. This platform holds promise for particularly robust Majorana bound states, with easily …
  openalex J. Manousakis, Alexander Altland, Dmitry Bagrets, Reinhold Egger 等 2017-04-17 置信度 0.72 MAJORANAQubitTopological insulatorPhysicsInsulator (electricity)
• Topological networks for quantum communication between distant qubits
  Abstract Efficient communication between qubits relies on robust networks, which allow for fast and coherent transfer of quantum information. It seems natural to harvest the remarkable properties of systems characterized by topological invariants to perform th…
  openalex Nicolai Lang, Hans Peter Büchler 2017-11-01 置信度 0.72 QubitTopology (electrical circuits)Computer scienceQuantum information scienceQuantum network
• Hybrid topological-spin qubit systems for two-qubit-spin gates
  We investigate a hybrid quantum system involving spin qubits, based on the spins of electrons confined in quantum dots, and topological qubits, based on Majorana fermions. In such a system, gated control of the charge on the quantum dots allows transfer of qua…
  openalex Martin Leijnse, Karsten Flensberg 2012-09-24 置信度 0.72 QubitPhysicsQuantum mechanicsTopology (electrical circuits)Quantum gate
• Fricke Topological Qubits
  We recently proposed that topological quantum computing might be based on SL(2,C) representations of the fundamental group π1(S3\K) for the complement of a link K in the three-sphere. The restriction to links whose associated SL(2,C) character variety V contai…
  openalex Michel Planat, David Chester, Marcelo M. Amaral, Klee Irwin 2022-11-14 置信度 0.72 QubitTopology (electrical circuits)Link (geometry)MathematicsComplement (music)
• Electrically Detected Interferometry of Majorana Fermions in a Topological Insulator
  Majorana fermions are zero-energy quasiparticles that may exist in superconducting vortices and interfaces, but their detection is problematic since they have no charge. This is an obstacle to the realization of topological quantum computation, which relies on…
  openalex Anton Akhmerov, Johan Nilsson, C. W. J. Beenakker 2009-05-28 置信度 0.72 MAJORANAPhysicsFermionDirac fermionTopological insulator
• Flux-controlled quantum computation with Majorana fermions
  Majorana fermions hold promise for quantum computation, because their non-Abelian braiding statistics allows for topologically protected operations on quantum information. Topological qubits can be constructed from pairs of well-separated Majoranas in networks…
  openalex Timo Hyart, Bernard van Heck, Ion Cosma Fulga, Michele Burrello 等 2013-07-17 置信度 0.72 TransmonQubitMAJORANAQuantum computerPhysics
• Topological qubits with Majorana fermions in trapped ions
  We propose a method of encoding a topologically protected qubit using Majorana fermions in a trapped-ion chain. This qubit is protected against major sources of decoherence, while local operations and measurements can be realized. Furthermore, we show that an …
  openalex A Mezzacapo, J Casanova, L Lamata, E Solano 2013-03-04 置信度 0.72 PhysicsQubitMAJORANAFermionQuantum mechanics
• Scalable designs for quasiparticle-poisoning-protected topological quantum computation with Majorana zero modes
  We present designs for scalable quantum computers composed of qubits encoded in aggregates of four or more Majorana zero modes, realized at the ends of topological superconducting wire segments that are assembled into superconducting islands with significant c…
  openalex Torsten Karzig, Christina Knapp, Roman M. Lutchyn, Parsa Bonderson 等 2017-06-21 置信度 0.72 MAJORANAPhysicsQuasiparticleQuantum computerQubit
• Majorana zero modes and topological quantum computation
  Abstract We provide a current perspective on the rapidly developing field of Majorana zero modes (MZMs) in solid-state systems. We emphasise the theoretical prediction, experimental realisation and potential use of MZMs in future information processing devices…
  openalex S. Das Sarma, Michael Freedman, Chetan Nayak 2015-10-26 置信度 0.72 MAJORANAQuantum computerPhysicsTopology (electrical circuits)Topological quantum computer
• Engineering Non-Linear Decay Dynamics: Pulse-Level Control and Software-Defined Qubit Rescue on Superconducting Processors
  The scalability of Noisy Intermediate-Scale Quantum (NISQ) devices is currently constrained by material defects, specifically Two-Level Systems (TLS) that induce resonant decoherence in superconducting qubits. This study presents a comprehensive experimental a…
  openalex K S, Unnikuttan 2025-12-27 置信度 0.72 Cluster stateQuantum entanglementQubitQuantum computerComputer science
• Blueprint for fault-tolerant quantum computation with topological qubit arrays
  We describe a concrete device roadmap toward a fault-tolerant quantum computing architecture based on noise-resilient, topologically protected Majorana-based qubits. Our roadmap encompasses four generations of devices: a single-qubit device that enables a meas…
  openalex David Aasen, Morteza Aghaee, Zulfi Alam, Mariusz Andrzejczuk 等 2025-12-10 置信度 0.72 QubitQuantum computerComputer scienceTopology (electrical circuits)Quantum gate
• Optical vortices 30 years on: OAM manipulation from topological charge to multiple singularities
  Thirty years ago, Coullet et al. proposed that a special optical field exists in laser cavities bearing some analogy with the superfluid vortex. Since then, optical vortices have been widely studied, inspired by the hydrodynamics sharing similar mathematics. A…
  openalex Yijie Shen, Xuejiao Wang, Zhenwei Xie, Changjun Min 等 2019-10-02 置信度 0.72 Optical vortexVortexPhysicsTopological quantum numberAngular momentum
• Topological Phases of Non-Hermitian Systems
  While Hermiticity lies at the heart of quantum mechanics, recent experimental advances in controlling dissipation have brought about unprecedented flexibility in engineering non-Hermitian Hamiltonians in open classical and quantum systems. Examples include par…
  openalex Zongping Gong, Yuto Ashida, Kohei Kawabata, Kazuaki Takasan 等 2018-09-24 置信度 0.72 Hermitian matrixTopology (electrical circuits)PhysicsTheoretical physicsComputer science
• Search for Majorana Fermions in Superconductors
  Majorana fermions (particles that are their own antiparticle) may or may not exist in nature as elementary building blocks, but in condensed matter they can be constructed out of electron and hole excitations. What is needed is a superconductor to hide the cha…
  openalex C.W.J. Beenakker 2013-03-08 置信度 0.72 MAJORANAPhysicsFermionMajorana fermionBound state
• Dephasing and leakage dynamics of noisy Majorana-based qubits: Topological versus Andreev
  Topological quantum computation encodes quantum information nonlocally by nucleating non-Abelian anyons separated by distances $L$, typically spanning the qubit device size. This nonlocality renders topological qubits exponentially immune to dephasing from all…
  openalex Ryan V. Mishmash, Bela Bauer, Felix von Oppen, Jason Alicea 2020-02-03 置信度 0.72 MAJORANADephasingQubitPhysicsQuantum nonlocality
• Topological quantum computation
  The theory of quantum computation can be constructed from the abstract study of anyonic systems. In mathematical terms, these are unitary topological modular functors. They underlie the Jones polynomial and arise in Witten-Chern-Simons theory. The braiding and…
  openalex Michael Freedman, Alexei Kitaev, Michael Larsen, Zhenghan Wang 2002-10-10 置信度 0.72 AlgorithmComputer scienceQuantum computerQuantumQuantum mechanics
• Majorana box qubits
  Quantum information protected by the topology of the storage medium is expected to exhibit long coherence times. Another feature is topologically protected gates generated through braiding of Majorana bound states (MBSs). However, braiding requires structures …
  openalex Stephan Plugge, Asbjørn Rasmussen, Reinhold Egger, Karsten Flensberg 2017-01-11 置信度 0.72 PhysicsMAJORANAQubitMajorana fermionTopology (electrical circuits)
• Engineering of robust topological quantum phases in graphene nanoribbons
  openalex Oliver Gröning, Shiyong Wang, Xuelin Yao, Carlo A. Pignedoli 等 2018-08-01 置信度 0.72 Graphene nanoribbonsTopology (electrical circuits)PhysicsHamiltonian (control theory)MAJORANA
• Topologically Decoherence-Protected Qubits with Trapped Ions
  We show that trapped ions can be used to simulate a highly symmetrical Hamiltonian with eigenstates naturally protected against local sources of decoherence. This Hamiltonian involves long-range coupling between particles and provides a more efficient protecti…
  openalex P. Milman, W. Maineult, S. Guibal, L. Guidoni 等 2007-07-13 置信度 0.72 Quantum decoherenceHamiltonian (control theory)QubitPhysicsQuantum mechanics
• Controlled-NOT gate for multiparticle qubits and topological quantum computation based on parity measurements
  We discuss a measurement-based implementation of a controlled-NOT (CNOT) quantum gate. Such a gate has recently been discussed for free electron qubits. Here we extend this scheme for qubits encoded in product states of two (or more) spins 1/2 or in equivalent…
  openalex Oded Zilberberg, Bernd Braunecker, Daniel Loss 2008-01-23 置信度 0.72 Controlled NOT gatePhysicsQubitQuantum computerParity (physics)
• Topological Qubits as Carriers of Quantum Information in Optics
  Winding number is a topologically significant quantity that has found valuable applications in various areas of mathematical physics. Here, topological qubits are shown capable of formation from winding number superpositions and so of being used in the communi…
  openalex Gregg Jaeger, David S. Simon, Alexander V. Sergienko 2019-02-10 置信度 0.72 PhysicsQubitQuantum mechanicsBeam splitterTopology (electrical circuits)
• Decoherence of topological qubit in linear and circular motions: decoherence impedance, anti-Unruh and information backflow
  In this paper, we consider the decoherence patterns of a topological qubit made of two Majorana zero modes in the generic linear and circular motions in the Minkowski spacetime. We show that the reduced dynamics is exact without Markov approximation. Our resul…
  openalex Pei-Hua Liu, Feng-Li Lin 2016-07-01 置信度 0.72 PhysicsQuantum decoherenceQubitMinkowski spaceQuantum mechanics
• Topologically protected quantum bits using Josephson junction arrays
  openalex L. B. Ioffe, M. V. Feigel’man, A. S. Ioselevich, Д. А. Иванов 等 2002-01-01 置信度 0.72 QubitQuantum computerQuantum decoherenceJosephson effectQuantum
• A CMOS silicon spin qubit
  Silicon, the main constituent of microprocessor chips, is emerging as a promising material for the realization of future quantum processors. Leveraging its well-established complementary metal-oxide-semiconductor (CMOS) technology would be a clear asset to the…
  openalex Romain Maurand, X. Jehl, Dharmraj Kotekar‐Patil, Andrea Corna 等 2016-11-24 置信度 0.72 QubitCMOSQuantum computerTransistorComputer science
• Quantum Simulation of Topological Zero Modes on a 41-Qubit Superconducting Processor
  Quantum simulation of different exotic topological phases of quantum matter on a noisy intermediate-scale quantum (NISQ) processor is attracting growing interest. Here, we develop a one-dimensional 43-qubit superconducting quantum processor, named Chuang-tzu, …
  openalex Yun‐Hao Shi, Yu Liu, Yu-Ran Zhang, Zhongcheng Xiang 等 2023-08-21 置信度 0.72 QubitTopology (electrical circuits)PhysicsQuantum computerQuantum simulator
• Symmetry protected topological orders and the group cohomology of their symmetry group
  Symmetry protected topological (SPT) phases are gapped short-range-entangled quantum phases with a symmetry $G$. They can all be smoothly connected to the same trivial product state if we break the symmetry. The Haldane phase of spin-1 chain is the first examp…
  openalex Xie Chen, Zheng‐Cheng Gu, Zheng-Xin Liu, Xiao-Gang Wen 2013-04-04 置信度 0.72 PhysicsTopological insulatorDegenerate energy levelsHomogeneous spaceSigma model
• The lower bound of quantum memory-assisted entropic uncertainty and secret rate for two topological qubits under environments
  openalex Soroush Haseli, Hazhir Dolatkhah, Hossein Rangani Jahromi, S. Salimi 等 2020-01-10 置信度 0.72 QubitTopology (electrical circuits)QuantumPhysicsQuantum mechanics
• Measurement based controlled not gate for topological qubits in a Majorana fermion and quantum-dot hybrid system
  openalex Zheng-Yuan Xue 2013-04-01 置信度 0.72 MAJORANAPhysicsQubitParity (physics)Controlled NOT gate
• Introduction to topological superconductivity and Majorana fermions
  This short review paper provides a pedagogical introduction to the rapidly growing research field of Majorana fermions in topological superconductors. We first discuss in some detail the simplest 'toy model' in which Majoranas appear, namely a one-dimensional …
  openalex Martin Leijnse, Karsten Flensberg 2012-11-15 置信度 0.72 MAJORANAPhysicsFermionSuperconductivityQuasiparticle
• Roadmap to fault tolerant quantum computation using topological qubit arrays
  This data accompanies the preprint "Roadmap to fault tolerant quantum computation using topological qubit arrays" and contains simulation data used in the figures.
  openalex Aasen, David, Morteza Aghaee, Zulfi Alam, Mariusz Andrzejczuk 等 2025-02-17 置信度 0.72 QubitComputationQuantum computerQuantumTopology (electrical circuits)
• Quantum state tomography across the exceptional point in a single dissipative qubit
  openalex M. Naghiloo, M. Abbasi, Yogesh N. Joglekar, K. W. Murch 2019-10-07 置信度 0.72 PhysicsTransmonQubitQuantum mechanicsCharge qubit
• Parity-to-charge conversion for readout of topological Majorana qubits
  We theoretically study a scheme to distinguish the two ground states of a one-dimensional topological superconductor, which could serve as a basis for the readout of Majorana qubits. The scheme is based on parity-to-charge conversion, i.e., the ground-state pa…
  openalex Gábor Széchenyi, András Pályi 2020-06-25 置信度 0.72 MAJORANAQubitPhysicsTopology (electrical circuits)Parity (physics)
• Quantum Computation using Vortices and Majorana Zero Modes of a<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>p</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mo>+</mml:mo><mml:mi>i</mml:mi><mml:msub><mml:mi>p</mml:mi><mml:mi>y</mml:mi></mml:msub></mml:math>Superfluid of Fermionic Cold Atoms
  We propose to use the recently predicted two-dimensional "weak-pairing" px + ipy superfluid state of fermionic cold atoms as a platform for topological quantum computation. In the core of a vortex, this state supports a zero-energy Majorana mode, which moves t…
  openalex Sumanta Tewari, S. Das Sarma, Chetan Nayak, Chuanwei Zhang 等 2007-01-05 置信度 0.72 MAJORANAPairingSuperfluidityQuantum computerPhysics
• All-electrically reading out and initializing topological qubits with quantum dots
  We analyze the reading and initialization of a topological qubit encoded by Majorana fermions in one-dimensional semiconducting nanowires, weakly coupled to a single level quantum dot (QD). It is shown that when the Majorana fermions are fused by tuning gate v…
  openalex Wei Chen, Zheng-Yuan Xue, Z. D. Wang, Rui Shen 2014-03-01 置信度 0.72 InitializationQubitMAJORANAPhysicsQuantum dot
• Probing topological spin liquids on a programmable quantum simulator
  Quantum spin liquids, exotic phases of matter with topological order, have been a major focus in physics for the past several decades. Such phases feature long-range quantum entanglement that can potentially be exploited to realize robust quantum computation. …
  openalex Giulia Semeghini, Harry Levine, Alexander Keesling, Sepehr Ebadi 等 2021-12-02 置信度 0.72 Quantum simulatorPhysicsTopological orderTopological degeneracyQuantum computer
• Radiative topological biphoton states in modulated qubit arrays
  This paper uncovers radiative topological biphoton states in a spatially-modulated qubit array coupled to a waveguide. The topology originates from nontrivial bound-state bands which are characterized by the Chern number in the parameter space created by the c…
  openalex Yongguan Ke, Janet Zhong, A. V. Poshakinskiy, Yuri S. Kivshar 等 2020-08-04 置信度 0.72 PhysicsBound stateQubitSuperlatticeTopology (electrical circuits)
• Quantum Electrodynamics in a Topological Waveguide
  While designing the energy-momentum relation of photons is key to many linear, nonlinear, and quantum optical phenomena, a new set of light-matter properties may be realized by employing the topology of the photonic bath itself. In this work we experimentally …
  openalex Eunjong Kim, Xueyue Zhang, Vinicius S. Ferreira, Jash Banker 等 2021-01-25 置信度 0.72 PhysicsQuantumQuantum electrodynamicsWaveguideStochastic electrodynamics
• Topological quantum computation based on chiral Majorana fermions
  The chiral Majorana fermion is a massless self-conjugate fermion which can arise as the edge state of certain 2D topological matters. It has been theoretically predicted and experimentally observed in a hybrid device of a quantum anomalous Hall insulator and a…
  openalex Biao Lian, Xiao-Qi Sun, Abolhassan Vaezi, Xiao-Liang Qi 等 2018-10-08 置信度 0.72 MAJORANAPhysicsFermionQuantum computerDirac fermion
• Towards a universal set of topologically protected gates for quantum computation with Pfaffian qubits
  openalex Lachezar S. Georgiev 2007-08-03 置信度 0.72 PfaffianQubitUniversal setQuantum computerSet (abstract data type)
• One-qubit quantum gates associated with topological defects in solids
  crossref Knut Bakke, Claudio Furtado 2012-02-07T08:50:53Z 置信度 0.70
• Experimental observation of a topological phase in the maximally entangled state of a pair of qubits
  Quantum mechanical phase factors can be related to dynamical effects or to the geometrical properties of a trajectory in a given space---either parameter space or Hilbert space. Here, we experimentally investigate a quantum mechanical phase factor that reflect…
  openalex Jiangfeng Du, Jing Zhu, Mingjun Shi, Xinhua Peng 等 2007-10-22 置信度 0.72 PhysicsSpinsQubitTopology (electrical circuits)Quantum mechanics
• Classes of topological qubits from low-dimensional quantum spin systems
  openalex Dong-Sheng Wang 2019-11-04 置信度 0.72 PhysicsQubitTopology (electrical circuits)Toric codeTopological order
• A toolbox for lattice-spin models with polar molecules
  openalex A. Micheli, Gavin K. Brennen, P. Zoller 2006-04-30 置信度 0.72 PhysicsQuantum computerQuantum decoherenceQubitHeteronuclear molecule
• Physical implementation of topologically decoherence-protected superconducting qubits
  We propose a scenario to physically implement a kind of topologically decoherence-protected qubit using superconducting devices coupled to a microwave cavity mode with unconventional geometric operations. It is shown that the two needed interactions for select…
  openalex Zheng‐Yuan Xue, Z. D. Wang, Shi-Liang Zhu 2008-02-04 置信度 0.72 QubitQuantum decoherencePhysicsSuperconductivityFlux qubit
• Semiconductor qubits in practice
  openalex Anasua Chatterjee, Paul Stevenson, Silvano De Franceschi, Andrea Morello 等 2021-02-19 置信度 0.72 QubitContext (archaeology)Quantum decoherencePhysicsSemiconductor
• Compiling single-qubit braiding gate for Fibonacci anyons topological quantum computation
  Topological quantum computation is an implementation of a quantum computer in a way that radically reduces decoherence. Topological qubits are encoded in the topological evolution of two-dimensional quasi-particles called anyons and universal set of quantum ga…
  arxiv Mohamed Taha Rouabah 2020-08-08T15:34:03Z 置信度 0.78 quant-phcond-mat.str-el
• Topological phenomena at topological defects
  There are two prominent applications of the mathematical concept of topology to the physics of materials: band topology, which classifies different topological insulators and semimetals, and topological defects that represent immutable deviations of a solid la…
  arxiv Zhi-Kang Lin, Qiang Wang, Yang Liu, Haoran Xue 等 2022-08-10T00:04:23Z 置信度 0.78 cond-mat.mtrl-scicond-mat.str-elphysics.app-phphysics.optics
• Topological Protection and Control of Quantum Markovianity
  Under the Born--Markov approximation, a qubit system, such as a two-level atom, is known to undergo a memoryless decay of quantum coherence or excitation when weakly coupled to a featureless environment. Recently, it has been shown that unavoidable disorder in…
  arxiv Gian Luca Giorgi, Salvatore Lorenzo, Stefano Longhi 2020-02-11T07:19:06Z 置信度 0.78 quant-ph
• Topological thermal transport
  Thermal transport is a fundamental mechanism of energy transfer process quite distinct from wave propagation phenomena. It can be manipulated well beyond the possibilities offered by natural materials with a new generation of artificial metamaterials: thermal …
  arxiv Zhoufei Liu, Peng Jin, Min Lei, Chengmeng Wang 等 2024-09-02T06:03:23Z 置信度 0.78 physics.app-phcond-mat.mes-hallcond-mat.stat-mechphysics.optics
• Separability in (strongly) topological gyrogroups
  Separability is one of the most basic and important topological properties. In this paper, the separability in (strongly) topological gyrogroups is studied. It is proved that every first-countable left ω-narrow strongly topological gyrogroup is separable. Furt…
  arxiv Meng Bao, Xiaoyuan Zhang, Xiaoquan Xu 2020-11-05T03:22:03Z 置信度 0.78 math.GN
• Berry curvature induced anomalous Hall conductivity in magnetic topological oxide double perovskite Sr2FeMoO6
  Oxide materials exhibit several novel structural, magnetic, and electronic properties. Their stability under ambient conditions, easy synthesis, and high transition temperatures provide such systems with an ideal ground for realizing topological properties and…
  arxiv Tirthankar Chakraborty, Kartik Samanta, Satya N. Guin, Jonathan Noky 等 2022-08-25T10:38:57Z 置信度 0.78 cond-mat.mtrl-sci
• Quantum state estimation when qubits are lost: A no-data-left-behind approach
  We present an approach to Bayesian mean estimation of quantum states using hyperspherical parametrization and an experiment-specific likelihood which allows utilization of all available data, even when qubits are lost. With this method, we report the first clo…
  arxiv Brian P. Williams, Pavel Lougovski 2016-10-12T13:57:06Z 置信度 0.78 quant-ph
• Processing Quantum Information in Hybrid Topological Qubit and Superconducting Flux Qubit System
  A composite system of Majorana-hosted semiconductor nanowire and superconducting flux qubit is inves- tigated. It is found that the coupling between these two subsystems can be controlled electrically, supplying a convenient method to implement π/8 phase gate …
  arxiv Zhen-Tao Zhang, Yang Yu 2012-12-11T14:21:36Z 置信度 0.78 quant-phcond-mat.supr-con
• Randomized Benchmarking of Multi-Qubit Gates
  As experimental platforms for quantum information processing continue to mature, characterization of the quality of unitary gates that can be applied to their quantum bits (qubits) becomes essential. Eventually, the quality must be sufficiently high to support…
  arxiv J. P. Gaebler, A. M. Meier, T. R. Tan, R. Bowler 等 2012-03-16T15:20:38Z 置信度 0.78 quant-ph
• Minimal Universal Two-qubit Quantum Circuits
  We give quantum circuits that simulate an arbitrary two-qubit unitary operator up to global phase. For several quantum gate libraries we prove that gate counts are optimal in worst and average cases. Our lower and upper bounds compare favorably to previously p…
  arxiv Vivek V. Shende, Igor L. Markov, Stephen S. Bullock 2003-08-06T19:42:16Z 置信度 0.78 quant-ph
• Quantum signal transmission through a single-qubit chain
  A system of a two-level atom of an impurity (qubit) inserted into a periodic chain coupled to the continuum is studied with the use of the effective non-Hermitian Hamiltonian. Exact solutions are derived for the quasistationary eigenstates, their complex energ…
  arxiv Ya. S. Greenberg, C. Merrigan, A. Tayebi, V. Zelevinsky 2013-02-10T08:25:32Z 置信度 0.78 cond-mat.mes-hall
• Topological Edge Modes by Smart Patterning
  The research in topological materials and meta-materials reached maturity and is now gradually entering the phase of practical applications and devices. However, scaling down the experimental demonstrations definitely presents a challenge. In this work, we stu…
  arxiv David Apigo, Kai Qian, Camelia Prodan, Emil Prodan 2018-03-02T18:26:57Z 置信度 0.78 physics.app-phcond-mat.mtrl-scicond-mat.othermath-ph
• Non-paraxial effects on laser-qubit operations
  Tightly-focused laser beams, or optical tweezers, are essential for analogue and digital quantum simulation with neutral atoms and trapped ions. Despite this, most of the current intuition and theoretical treatment utilizes the paraxial approximation, which br…
  arxiv L. P. H. Gallagher, M. Mazzanti, Z. E. D. Ackerman, A. Safavi-Naini 等 2025-02-26T17:34:58Z 置信度 0.78 quant-ph
• Topological Modules of Bounded Bigroup Homomorphisms on a Topological Module
  Let X, Y, and Z be topological modules over a topological ring R. In this paper, we introduce three different classes of bounded bigroup homomorphisms from X \times Y into Z with respect to the three different uniform convergence topologies. We show that the o…
  arxiv Omid Zabeti 2014-09-25T18:46:19Z 置信度 0.78 math.FA
• Topological invariants of time reversal invariant superconductors
  The topological invariants of gapped time reversal invariant lattice superconductors are studied by mapping the superconducting mean field Hamiltonian to a Bloch Hamiltonian. There is a single $Z_2 $ invariant in two dimensions and four such invariants in thre…
  arxiv Rahul Roy 2006-08-02T19:53:07Z 置信度 0.78 cond-mat.supr-con
• Topological edge states and pumping in a chain of coupled superconducting qubits
  Topological insulators have inspired the study with various quantum simulators. Exploiting the tunability of the qubit frequency and qubit-qubit coupling, we show that a superconducting qubit chain can simulate various topological band models. When the system …
  arxiv Xiu Gu, Shu Chen, Yu-xi Liu 2017-11-18T08:59:32Z 置信度 0.78 quant-ph
• An alternative representation for pure symmetric states of qubits and its applications to entanglement classification
  We prove that the vast majority of symmetric states of qubits can be decomposed in a unique way into a superposition of spin 1/2 coherent states. For the case of two qubits, the proposed decomposition reproduces the Schmidt decomposition and therefore, in the …
  arxiv A. Mandilara, T. Coudreau, A. Keller, P. Milman 2014-02-05T09:31:44Z 置信度 0.78 quant-ph
• Influence of qubits' nonradiative decay into a common bath on the transport properties of microwave photons
  We consider the influence of nonradiative damping of qubits on the microwave transport of photons, propagating in an open one-dimensional microstrip line. Within the framework of the formalism of a non-Hermitian Hamiltonian we obtained the expressions for the …
  arxiv Ya. S. Greenberg, A. N. Sultanov 2017-06-25T02:58:40Z 置信度 0.78 cond-mat.mes-hall
• Strong Coupling between a Topological Qubit and a Nanomechanical Resonator
  We describe a scheme that enables a strong coherent coupling between a topological qubit and the quantized motion of a magnetized nanomechanical resonator. This coupling is achieved by attaching an array of magnetic tips to a namomechanical resonator under a q…
  arxiv Fang-Yu Hong, Huiqin Qian, Jing-Li Fu, Zhi-Yan Zhu 等 2013-01-19T08:02:26Z 置信度 0.78 quant-ph
• Experimental realization of universal quantum gates and six-qubit entangled state using photonic quantum walk
  For quantum computation using photons, performing deterministic quantum gate operations is a challenge due to the probabilistic nature of the photon-photon interaction. Encoding qubits in multiple degrees-of-freedom of photons and controlling operations betwee…
  arxiv Kanad Sengupta, S. P. Dinesh, K. Muhammed Shafi, Soumya Asokan 等 2024-03-11T12:32:22Z 置信度 0.78 quant-ph
• Beyond Band Insulators: Topology of Semi-metals and Interacting Phases
  The theory of topological insulators and superconductors has mostly focused on non-interacting and gapped systems. This review article discusses topological phases that are either gapless or interacting. We discuss recent progress in identifying gapless system…
  arxiv Ari M. Turner, Ashvin Vishwanath 2013-01-02T21:08:25Z 置信度 0.78 cond-mat.str-el
• Detecting topological edge states with the dynamics of a qubit
  We consider the Su-Schrieffer-Heeger (SSH) chain, which has 0, 1, or 2 topological edge states depending on the ratio of the hopping parameters and the parity of the chain length. We couple a qubit to one edge of the SSH chain and a semi-infinite undimerized c…
  arxiv Meri Zaimi, Christian Boudreault, Nouédyn Baspin, Nicolas Delnour 等 2019-10-22T12:38:02Z 置信度 0.78 cond-mat.mes-hall
• Topology-dependent quantum dynamics and entanglement-dependent topological pumping in superconducting qubit chains
  We propose a protocol using a tunable Xmon qubit chain to construct generalized Su-Schrieffer-Heeger (SSH) models that support various topological phases. We study the time evolution of a single-excitation quantum state in a SSH-type qubit chain and find that …
  arxiv Feng Mei, Gang Chen, Lin Tian, Shi-Liang Zhu 等 2019-01-10T15:31:17Z 置信度 0.78 quant-ph
• Using hybrid topological-spin qubit systems for two-qubit-spin gates
  We investigate a hybrid quantum system involving spin qubits, based on the spins of electrons confined in quantum dots, and topological qubits, based on Majorana fermions. In such a system, gated control of the charge on the quantum dots allows transfer of qua…
  arxiv Martin Leijnse, Karsten Flensberg 2012-06-12T08:26:44Z 置信度 0.78 cond-mat.mes-hallcond-mat.supr-conquant-ph
• An Introduction to Topological Insulators
  Electronic bands in crystals are described by an ensemble of Bloch wave functions indexed by momenta defined in the first Brillouin Zone, and their associated energies. In an insulator, an energy gap around the chemical potential separates valence bands from c…
  arxiv Michel Fruchart, David Carpentier 2013-10-01T11:47:02Z 置信度 0.78 cond-mat.mes-hallcond-mat.mtrl-sci
• Lowering qubit requirements for quantum simulations of fermionic systems
  The mapping of fermionic states onto qubit states, as well as the mapping of fermionic Hamiltonian into quantum gates enables us to simulate electronic systems with a quantum computer. Benefiting the understanding of many-body systems in chemistry and physics,…
  arxiv Mark Steudtner, Stephanie Wehner 2017-12-19T17:31:31Z 置信度 0.78 quant-ph
• Scanning qubit probe of edge states in a topological insulator
  In this work, we propose a novel qubit-based sensor with the ability to characterize topological edge states in low-dimensional systems. A composite system is studied, consisting of a qubit coupled to a topologically nontrivial Su-Schrieffer-Heeger chain betwe…
  arxiv Nicolas Delnour, Alexei Bissonnette, Hichem Eleuch, Richard MacKenzie 等 2023-02-27T13:53:16Z 置信度 0.78 cond-mat.mes-hall
• Hedgehog topological defects in 3D amorphous solids
  The underlying structural disorder renders the concept of topological defects in amorphous solids difficult to apply and hinders a first-principle identification of the microscopic carriers of plasticity and of the regions more prone to structural rearrangemen…
  arxiv Arabinda Bera, Alessio Zaccone, Matteo Baggioli 2024-07-30T08:14:07Z 置信度 0.78 cond-mat.softcond-mat.dis-nncond-mat.mtrl-scicond-mat.stat-mech
• Coherence Protection for Mobile Spin Qubits in Silicon
  Mobile spin qubit architectures promise flexible connectivity for efficient quantum error correction and relaxed device layout constraints, but their viability rests on preserving spin coherence during transport. While shuttling transforms spatial disorder int…
  arxiv Jan A. Krzywda, Yuta Matsumoto, Maxim De Smet, Larysa Tryputen 等 2026-02-09T20:37:14Z 置信度 0.78 cond-mat.mes-hallquant-ph
• Characterization of universal two-qubit Hamiltonians
  Suppose we can apply a given 2-qubit Hamiltonian H to any (ordered) pair of qubits. We say H is n-universal if it can be used to approximate any unitary operation on n qubits. While it is well known that almost any 2-qubit Hamiltonian is 2-universal (Deutsch, …
  arxiv Andrew M. Childs, Debbie Leung, Laura Mančinska, Maris Ozols 2010-04-09T20:19:35Z 置信度 0.78 quant-ph
• Topological charge of fermions and Landau theory of Fermi liquid
  In the fermionic liquids, the Fermi surface is topologically stable,\cite{Volovik2003} which is at the origin of the applicability of the Landau theory of Fermi liquid (LFL). The LFL exists under special condition, when the Green's function has a pole with non…
  arxiv G. E. Volovik 2026-04-13T06:30:12Z 置信度 0.78 cond-mat.str-elhep-ph
• Explicit Gauge Fixing for Degenerate Multiplets: A Generic Setup for Topological Orders
  We supply basic tools for the study of the topological order of a multiplet which is an eigenspace of a finite-dimensional normal operator with continuous parameters. We allow intrinsic degeneracies within the multiplet where a well-known standard procedure do…
  arxiv Yasuhiro Hatsugai 2004-05-24T16:30:41Z 置信度 0.78 cond-mat.mes-hallcond-mat.str-el
• Canonical Decompositions of n-qubit Quantum Computations and Concurrence
  The two-qubit canonical decomposition SU(4) = [SU(2) \otimes SU(2)] Delta [SU(2) \otimes SU(2)] writes any two-qubit quantum computation as a composition of a local unitary, a relative phasing of Bell states, and a second local unitary. Using Lie theory, we ge…
  arxiv Stephen S. Bullock, Gavin K. Brennen 2003-09-12T13:08:35Z 置信度 0.78 quant-ph
• Dynamical theory of single-photon transport through a qubit chain coupled to a one-dimensional nanophotonic waveguide
  We study the dynamics of a single-photon pulse travelling through a linear qubit chain coupled to continuum modes in a one-dimensional (1D) photonic waveguide. We derive a time-dependent dynamical theory for qubit amplitudes and for transmitted and reflected s…
  arxiv Ya. S. Greenberg, O. A. Chuikin, A. A. Shtygashev, A. G. Moiseev 2023-07-27T10:21:16Z 置信度 0.78 quant-phcond-mat.mes-hall
• Mini-maximizing two qubit quantum computations
  Two qubit quantum computations are viewed as two player, strictly competitive games and a game-theoretic measure of optimality of these computations is developed. To this end, the geometry of Hilbert space of quantum computations is used to establish the equiv…
  arxiv Faisal Shah Khan, Simon J. D. Phoenix 2013-04-02T19:33:03Z 置信度 0.78 quant-phcs.GT
• Teleportation capability, distillability, and nonlocality on three-qubit states
  In this paper, we consider teleportation capability, distillability, and nonlocality on three-qubit states. In order to investigate some relations among them, we first find the explicit formulas of the quantities about the maximal teleportation fidelity on thr…
  arxiv Soojoon Lee, Jaewoo Joo, Jaewan Kim 2007-02-27T02:30:24Z 置信度 0.78 quant-ph
• Topologically Interlocking Blocks inside the Tetroctahedrille
  A topological interlocking assembly consists of rigid blocks together with a fixed frame, such that any subset of blocks is kinematically constrained and therefore cannot be removed from the assembly. In this paper we pursue a modular approach to construct (no…
  arxiv Reymond Akpanya, Tom Goertzen, Alice C. Niemeyer 2024-05-03T09:15:42Z 置信度 0.78 math.COcs.CG
• A didactic approach to quantum machine learning with a single qubit
  This paper presents, via an explicit example with a real-world dataset, a hands-on introduction to the field of quantum machine learning (QML). We focus on the case of learning with a single qubit, using data re-uploading techniques. After a discussion of the …
  arxiv Elena Peña Tapia, Giannicola Scarpa, Alejandro Pozas-Kerstjens 2022-11-23T18:25:32Z 置信度 0.78 quant-ph
• Anisotropic magnetic responses of topological crystalline superconductors
  Majorana Kramers pairs emerged on surfaces of time-reversal-invariant topological crystalline superconductors show the Ising anisotropy to an applied magnetic field. We clarify that crystalline symmetry uniquely determines the direction of the Majorana Ising s…
  arxiv Yuansen Xiong, Ai Yamakage, Shingo Kobayashi, Masatoshi Sato 等 2016-11-29T14:24:06Z 置信度 0.78 cond-mat.mes-hallcond-mat.supr-con
• Parity-protected superconducting qubit based on topological insulators
  We propose a novel architecture that utilizes two 0-$π$ qubits based on topological Josephson junctions to implement a parity-protected superconducting qubit. The topological Josephson junctions provides protection against fabrication variations, which ensures…
  arxiv Guo-Liang Guo, Han-Bing Leng, Xin Liu 2023-08-23T09:38:48Z 置信度 0.78 cond-mat.mes-hallquant-ph
• Qubit-Qubit and Qubit-Qutrit Separability Functions and Probabilities
  We list in increasing order -- 1/3, 3/8, 2/5, 135 pi/1024, 16/(3 pi^2), 3 pi/16, 5/8, 105 pi/512, 2 - 435 pi/1024, 11/16, 1 -- a number of exact two-qubit Hilbert-Schmidt (HS) separability probabilities, we are able to compute. Each probability corresponds to …
  arxiv Paul B. Slater 2007-02-14T17:00:26Z 置信度 0.78 quant-ph
• Topological complexity of subgroups of Artin's braid groups
  We consider the topological complexity of subgroups of Artin's braid group consisting of braids whose associated permutations lie in some specified subgroup of the symmetric group. We give upper and lower bounds for the topological complexity of such mixed bra…
  arxiv Mark Grant, David Recio-Mitter 2016-07-17T06:48:56Z 置信度 0.78 math.AT
• Approaches to critical point theory via sequential and parametrized topological complexity
  The Lusternik-Schnirelmann category of a space was introduced to obtain a lower bound on the number of critical points of a $C^1$-function on a given manifold. Related to Lusternik-Schnirelmann category and motivated by topological robotics, the topological co…
  arxiv Stephan Mescher, Maximilian Stegemeyer 2024-11-04T11:08:42Z 置信度 0.78 math.GTmath.ATmath.DS
• The Clifford theory of the n-qubit Clifford group
  The n-qubit Pauli group and its normalizer the n-qubit Clifford group have applications in quantum error correction and device characterization. Recent applications have made use of the representation theory of the Clifford group. We apply the tools of (the co…
  arxiv Kieran Mastel 2023-07-11T21:21:31Z 置信度 0.78 quant-phmath-phmath.RT
• Accuracy thresholds of topological color codes on the hexagonal and square-octagonal lattices
  Accuracy thresholds of quantum error correcting codes, which exploit topological properties of systems, defined on two different arrangements of qubits are predicted. We study the topological color codes on the hexagonal lattice and on the square-octagonal lat…
  arxiv Masayuki Ohzeki 2009-03-12T06:36:26Z 置信度 0.78 cond-mat.dis-nncond-mat.stat-mechquant-ph