-
The recent development of the intense pulsed muon source at J-PARC MUSE, Japan Proton Accelerator Research Complex/MUon Science Establishment (10(6) s(-1) for a momentum of 60 MeV/c), enabled us to pioneer a new frontier in analytical sciences. Here, we report…
openalex
Kentaro Terada, Kazuhiko Ninomiya, Takahito Osawa, Shogo Tachibana 等
2014-05-27
置信度 0.72
MuonNuclear physicsMeteoriteBeam (structure)Proton
-
Search of new frustrated magnetic systems is of a significant importance for physics studying the condensed matter. The platform for geometric frustration of magnetic systems can be provided by copper oxocentric tetrahedra (OCu4) forming the base of crystallin…
arxiv
L. M. Volkova, D. V. Marinin
2017-04-05T09:28:16Z
置信度 0.78
cond-mat.mtrl-sci
-
Identification of minerals in the field is a task that is wrought with many challenges. Traditional approaches are prone to errors where there is no enough experience and expertise. Several existing techniques mainly make use of features of the minerals under …
arxiv
Emmanuel Asiedu Brempong, Millicent Agangiba, Daniel Aikins
2021-11-22T15:00:28Z
置信度 0.78
cs.CV
-
Transition metal sulfides (Fe, V)3S4 and (Fe, Ti)3S4, with the monoclinic Cr3S4 type structure have been studied for a long time, itinerant magnetism in form of Spin density waves (SDW) have been found in these systems with different features as evidenced by 5…
arxiv
B. P. Embaid
2022-09-13T01:16:39Z
置信度 0.78
cond-mat.mtrl-sci
-
The discovery of magnetism by the ancient Greeks was enabled by the natural occurrence of lodestone -- a magnetized version of the mineral magnetite. Nowadays, natural minerals continue to inspire the search for novel magnetic materials with quantum-critical b…
arxiv
D. S. Inosov
2018-06-28T13:44:38Z
置信度 0.78
cond-mat.str-elcond-mat.mtrl-sciphysics.geo-phquant-ph
-
The search for extraterrestrial intelligence (SETI) is a scientific endeavor which struggles with unique issues -- a strong indeterminacy in what data to look for and when to do so. This has led to attempts at finding both fundamental limits of the communicati…
arxiv
Ian George, Xinan Chen, Lav R. Varshney
2021-07-20T22:53:00Z
置信度 0.78
cs.ITastro-ph.IMphysics.pop-ph
-
Messaging to extraterrestrial intelligence (METI) is a branch of study concerned with constructing and broadcasting a message toward habitable planets. Since the Arecibo message of 1974, the handful of METI broadcasts have increased in content and complexity, …
arxiv
Dimitra Atri, Julia DeMarines, Jacob Haqq-Misra
2011-01-25T22:30:08Z
置信度 0.78
physics.pop-phastro-ph.IMphysics.ed-ph
-
The concepts of alpha- and beta-packets of the periodic table of chemical elements and chemical compounds are defined. The first of the 47 minerals alpha-packets is composed. In it all minerals are arranged in increasing Iav index of proportionality of atomic …
arxiv
Mikhail M. Labushev
2013-03-20T17:02:54Z
置信度 0.78
physics.gen-ph
-
Minerals play a critical role in the advanced energy technologies necessary for decarbonization, but characterizing mineral deposits hidden underground remains costly and challenging. Inspired by recent progress in generative modeling, we develop a learning me…
arxiv
Sujay Nair, Evan Coleman, Sherrie Wang, Elsa Olivetti
2025-11-12T20:28:40Z
置信度 0.78
stat.MLcs.LGstat.AP
-
We examine the funding disparity in astronomical research priorities: the Habitable Worlds Observatory is planned to receive over $10 billion over the next two decades whereas extraterrestrial intelligence research receives nearly zero federal funding. This im…
arxiv
Omer Eldadi, Gershon Tenenbaum, Abraham Loeb
2025-07-23T10:04:56Z
置信度 0.78
astro-ph.IMphysics.soc-ph
-
The economy and fate of extraterrestrial civilizations should depend on the abundance of gold and uranium, made in neutron star mergers.
arxiv
Abraham Loeb
2018-03-13T16:25:18Z
置信度 0.78
physics.pop-phastro-ph.GA
-
The lack of evidence for the existence of extraterrestrial life, even the simplest forms of animal life, makes it is difficult to decide whether the search for extraterrestrial intelligence (SETI) is more a high-risk, high-payoff endeavor than a futile attempt…
arxiv
Claudio Grimaldi
2017-04-13T08:22:09Z
置信度 0.78
physics.pop-phastro-ph.EP
-
The origin of organic compounds detected in meteorites and comets, some of which could serve as precursors of life on Earth, still remains an open question. The aim of the present study is to make one more step in revealing the nature and composition of organi…
arxiv
Alexey Potapov, Maria Elisabetta Palumbo, Zelia Dionnet, Andrea Longobardo 等
2022-07-06T09:35:12Z
置信度 0.78
astro-ph.EPastro-ph.GA
-
This paper attempts to provide an estimation of the prevalence of hostile extraterrestrial civilizations through an extrapolation of the probability that we, as the human civilization, would attack or invade an inhabited exoplanet once we become a Type-1 civil…
arxiv
Alberto Caballero
2022-05-23T20:32:57Z
置信度 0.78
physics.soc-phphysics.pop-ph
-
Mineral identification using remote sensing technologies is becoming more dominant in this field since it saves time by demonstrating a more effective way for land resources survey. In such remote sensing technologies, hyperspectral remote sensing (HSRS) techn…
arxiv
Nazmul Hasan, Kazi Mahmudul Hasan, Md. Tahsinul Islam, Shahnewaz Siddique
2022-12-08T18:41:02Z
置信度 0.78
eess.IVeess.SY
-
The ongoing quest to identify molecules in the interstellar medium by their electronic spectra in the visible region is reviewed. Identification of molecular absorption is described in the context of the elucidation of the carriers of the unidentified diffuse …
arxiv
T. W. Schmidt, R. G. Sharp
2005-01-11T05:47:21Z
置信度 0.78
astro-ph
-
It is unclear how frequently life and intelligence arise on planets. I consider a Bayesian prior for the probability P(ETI) that intelligence evolves at a suitable site, with weight distributed evenly over ln(1 - ln P(ETI)). This log log prior can handle a ver…
arxiv
Brian C. Lacki
2016-09-19T20:41:35Z
置信度 0.78
astro-ph.EPastro-ph.IMphysics.pop-ph
-
The search for extraterrestrial intelligence (SETI) is a field that has long been within the domain of traditional signal processing techniques. However, with the advent of powerful generative AI models, such as GPT-3, we are now able to explore new ways of an…
arxiv
John Hoang, Zihe Zheng, Aiden Zelakiewicz, Peter Xiangyuan Ma 等
2023-08-25T00:36:37Z
置信度 0.78
astro-ph.IMphysics.pop-ph
-
Energetic processing of interstellar ice mantles and planetary atmospheres via photochemistry is a critical mechanism in the extraterrestrial synthesis of prebiotic molecules. Photochemistry is defined as chemical processes initiated by photon-induced electron…
arxiv
Christopher R. Arumainayagam, Eric Herbst, A. N. Heays, Ella Mullikin 等
2021-01-29T22:31:19Z
置信度 0.78
astro-ph.GA
-
Gold-associated pathfinder minerals have been investigated by identifying host minerals of Au for samples collected from an artisanal mining site near a potential gold mine (Kubi Gold Project) in Dunkwa-On-Offin in the central region of Ghana. We find that for…
arxiv
Gabriel Nzulu, Per Eklund, Martin Magnuson
2021-02-07T08:49:40Z
置信度 0.78
cond-mat.mtrl-sci
-
Hot temperature minerals have been detected in a large number of comets and were also identified in the samples of Comet Wild 2 that were returned by the Stardust mission. Meanwhile, observations of the distribution of hot minerals in young stellar systems sug…
arxiv
A. Moudens, O. Mousis, J. -M. Petit, G. Wurm 等
2011-05-31T12:54:38Z
置信度 0.78
astro-ph.EP
-
Machine Learning (ML) has found several applications in spectroscopy, including being used to recognise minerals and estimate elemental composition. In this work, we present novel methods for automatic mineral identification based on combining data from differ…
arxiv
Pavel Jahoda, Igor Drozdovskiy, Francesco Sauro, Leonardo Turchi 等
2020-05-28T22:25:15Z
置信度 0.78
cs.LGeess.IV
-
Recent studies on metamorphic petrology as well as microstructural observations suggest the influence of mechanical effects upon chemically active metamorphic minerals. Thus, the understanding of such a coupling is crucial to describe the dynamics of geomateri…
arxiv
Santiago P. Clavijo, Luis Espath, Adel Sarmiento, Victor M. Calo
2021-01-07T15:53:15Z
置信度 0.78
physics.geo-ph
-
We study a lattice model of a multi-species prey-predator system. Numerical results show that for a small mutation rate the model develops irregular long-period oscillatory behavior with sizeable changes in a number of species. The periodicity of extinctions o…
arxiv
Adam Lipowski
2004-11-29T14:55:04Z
置信度 0.78
cond-mat.othercond-mat.stat-mechq-bio.PE
-
Liquid flow in sessile evaporating droplets of ultrapure water typically results from two main contributions: a capillary flow pushing the liquid towards the contact line from the bulk and a thermal Marangoni flow pulling the drop free surface towards the summ…
arxiv
Massimiliano Rossi, Alvaro Marin, Christian Kaehler
2019-09-14T18:07:28Z
置信度 0.78
physics.flu-dyncond-mat.soft
-
To-date, all human economic activity has depended on the resources of a single planet, and it has long been recognized that developments in space exploration could in principle open our closed planetary economy to external resources of energy and raw materials…
arxiv
Ian A. Crawford, Martin Elvis, James Carpenter
2016-05-25T00:30:32Z
置信度 0.78
astro-ph.EPastro-ph.IM
-
Vickers et al. (2025) established that 58.20% of astrobiology experts believe intelligent extraterrestrial life likely exists, providing the first empirical baseline for public comparison. We surveyed 6,114 highly educated and scientifically engaged individual…
arxiv
Omer Eldadi, Gershon Tenenbaum, Abraham Loeb
2025-11-29T07:24:20Z
置信度 0.78
physics.soc-phastro-ph.IM
-
In the search for life in the cosmos, biopigments on exoplanet surfaces are a critical target. Such pigments have been detected in Earth's spectrum (by the Galileo spacecraft and in Earthshine) via the "vegetation" or "photosynthesis red edge" (VRE or PRE), a …
arxiv
Mia Belle Parkinson, Lisa Kaltenegger, Beth Biller, Grant Lach 等
2026-05-11T14:33:28Z
置信度 0.78
astro-ph.EP
-
Context. Identifying minerals on asteroid surfaces is difficult as space weathering modifies the minerals infrared spectra. This shouldbe better understood for proper interpretation. Aims. We simulated the space weathering effects on a meteorite and recorded t…
arxiv
I. Gyollai, S. Biri, Z. Juhász, Cs. Király 等
2024-03-18T12:33:45Z
置信度 0.78
astro-ph.EPphysics.geo-ph
-
Hyperspectral imaging (HSI) has emerged as a powerful remote sensing tool for mineral exploration, capitalizing on unique spectral signatures of minerals. However, traditional classification methods such as discriminant analysis, logistic regression, and suppo…
arxiv
M. L. Mamud, Piyoosh Jaysaval, Frederick D Day-Lewis, M. K. Mudunuru
2026-01-24T07:57:01Z
置信度 0.78
cs.CV
-
The development of civilisations like ours into spacefaring, multi-planet entities requires significant raw materials to construct vehicles and habitats. Interplanetary debris, including asteroids and comets, may provide such a source of raw materials. In this…
arxiv
Duncan Forgan, Martin Elvis
2011-03-28T14:26:13Z
置信度 0.78
astro-ph.EP
-
I review the scientific and technical history of the Search for Extraterrestrial Intelligence (SETI), discuss the impact of the political involvement, and speculate on the nature of a successful detection and its potential social and cultural impact. Emphasis …
arxiv
K. I. Kellermann
2023-02-13T15:25:03Z
置信度 0.78
astro-ph.IM
-
A sufficiently advanced extraterrestrial civilization can send out a swarm of self-replicating probes for space exploration. Given the fast-growing number of such a probe, even if there is only one extraterrestrial civilization sending out such probes in the M…
arxiv
Yifan Chen, Jiayi Ni, Yen Chin Ong
2022-09-08T06:38:44Z
置信度 0.78
math.DSphysics.pop-ph
-
Protoplanets growing within the protoplanetary disk by pebble accretion acquire hydrostatic gas envelopes. Due to accretion heating, the temperature in these envelopes can become high enough to sublimate refractory minerals which are the major components of th…
arxiv
Marie-Luise Steinmeyer, Peter Woitke, Anders Johansen
2023-08-10T15:44:53Z
置信度 0.78
astro-ph.EP
-
A pore-scale numerical model for reactive transport processes based on the Lattice Boltzmann method is used to study the dissolution-induced changes in hydrologic properties of a fractured medium and a porous medium. The solid phase of both media consists of t…
arxiv
Li Chen, Qinjun Kang, Hari S. Viswanathan, Wenquan Tao
2014-10-08T20:10:16Z
置信度 0.78
physics.flu-dynphysics.comp-phphysics.geo-ph
-
I propose the establishment of a SETI Lottery Bond to provide a continued source of funding for the search for extraterrestrial intelligence (SETI). The SETI Lottery Bond is a fixed rate perpetual bond with a lottery at maturity, where maturity occurs only upo…
arxiv
Jacob Haqq-Misra
2013-11-11T15:40:35Z
置信度 0.78
physics.pop-phastro-ph.EPphysics.soc-ph
-
Data from the AMANDA-B10 detector taken during the austral winter of 1997 have been searched for a diffuse flux of high energy extraterrestrial muon-neutrinos, as predicted from, e.g., the sum of all active galaxies in the universe. This search yielded no exce…
arxiv
J. Ahrens et al.
2003-03-11T00:19:43Z
置信度 0.78
astro-ph
-
We have performed quantum chemical computational studies to determine carbon dioxide affinity to carbon compounds and minerals, which could be present in shales. These studies shed light on the microscopic mechanisms of the possible carbon oxide sequestration …
arxiv
Mateusz Wlazło, Alexandra Siklitskaya, Jacek A. Majewski
2017-06-08T13:23:23Z
置信度 0.78
cond-mat.mtrl-sci
-
We present modeled detection limits of the Gemini Planet Imager (GPI) and the Wide-Field Infrared Space Telescope (WFIRST) to an optical and infrared laser which could be used by an extraterrestrial civilization to signal their presence. GPI and WFIRST could u…
arxiv
Christina L. Vides, Bruce Macintosh, Breanna A. Binder, Robert J. De Rosa 等
2019-09-09T20:00:15Z
置信度 0.78
astro-ph.IM
-
The main purpose of this article is to make Astronomers aware that Searches for Extraterrestrial Intelligence can be carried out by analyzing standard astronomical spectra, including those they already have taken. Simplicity is the outstanding advantage of a s…
arxiv
Ermanno F. Borra
2012-10-22T18:02:28Z
置信度 0.78
astro-ph.IMastro-ph.EP
-
Pulsars have at least two impressive applications. First, they can be used as highly accurate clocks, comparable in stability to atomic clocks; secondly, a small subset of pulsars, millisecond X-ray pulsars, provide all the necessary ingredients for a passive …
arxiv
Clement Vidal
2017-04-05T13:33:17Z
置信度 0.78
physics.pop-ph
-
The emergence of oxygenic photosynthesis was a major event in Earth's evolutionary history and was facilitated by chlorophylls (a major category of photopigments). The accurate modelling of photopigments is important to understand the characteristics of putati…
arxiv
Dorothea Illner, Manasvi Lingam, Roberto Peverati
2023-07-28T12:59:56Z
置信度 0.78
physics.chem-phastro-ph.EPphysics.bio-phq-bio.BM
-
Subsurface fluid flow and solute transport are pivotal in addressing pressing energy, environmental, and societal challenges, such as geological CO2 storage. Basaltic rocks have gained prominence as suitable geological substrates for injecting substantial CO2 …
arxiv
Mohammad Nooraiepour, Mohammad Masoudi, Beyene Girma Haile, Helge Hellevang
2024-03-19T13:41:42Z
置信度 0.78
physics.flu-dyn
-
We investigate the structure of global inter-firm linkages using a dataset that contains information on business partners for about 400,000 firms worldwide, including all the firms listed on the major stock exchanges. Among the firms, we examine three networks…
arxiv
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
2015-05-09T13:58:27Z
置信度 0.78
physics.soc-phq-fin.GN
-
We present new optical reflectance spectra of three potentially silicate-rich trans-Neptunian Objects (TNOs). These spectra were obtained with the aim of confirming past hints and detections of 0.7 micron absorption features associated with the presence of iro…
arxiv
Tom Seccull, Wesley C. Fraser, Dominik A. Kiersz, Thomas H. Puzia
2023-12-18T19:01:21Z
置信度 0.78
astro-ph.EP
-
This paper reports new, more sensitive observations of nine of the eleven extrastatistical signals in the Megachannel Extraterrestrial Assay (META). These extrastatistical signals had all of the expected characteristics of a transmission from an extraterrestri…
arxiv
T. Joseph W. Lazio, Jill Tarter, Peter R. Backus
2002-03-29T02:50:23Z
置信度 0.78
astro-ph
-
As an alternative to conventional fossil fuel, there is a renewed interest in the nuclear fuel to support increasing energy demand. New studies are then undertaken to characterize Madagascar U-Th bearing minerals. This is the case for the urano-thorianite bear…
arxiv
F. E. Sahoa, N. Rabesiranana, Raoelina Andriambololona, H. Geckeis 等
2012-04-05T13:56:59Z
置信度 0.78
physics.geo-ph
-
Searches for radio technosignatures place constraints on the prevalence of extraterrestrial transmitters in our Galaxy and beyond. It is important to account for the complete stellar population captured within a radio telescope's field of view, or stellar 'byc…
arxiv
Louisa A. Mason, Michael A. Garrett, Andrew P. V. Siemion
2025-11-25T12:03:59Z
置信度 0.78
astro-ph.IMastro-ph.GA
-
Minerals are solid state nuclear track detectors - nuclear recoils in a mineral leave latent damage to the crystal structure. Depending on the mineral and its temperature, the damage features are retained in the material from minutes (in low-melting point mate…
arxiv
Sebastian Baum, Patrick Stengel, Natsue Abe, Javier F. Acevedo 等
2023-01-17T19:00:02Z
置信度 0.78
astro-ph.IMastro-ph.COastro-ph.HEhep-exhep-ph
-
This paper presents a novel method for mapping spectral features of the Moon using machine learning-based clustering of hyperspectral data from the Moon Mineral Mapper (M3) imaging spectrometer. The method uses a convolutional variational autoencoder to reduce…
arxiv
Freja Thoresen, Igor Drozdovskiy, Aidan Cowley, Magdelena Laban 等
2024-11-05T15:31:16Z
置信度 0.78
astro-ph.EPastro-ph.IMcs.LG
-
Astrobiology is usually defined as the study of the origin, evolution, distribution, and future of life in the universe. As such it is inherently interdisciplinary and cannot help but engender a worldview infused by cosmic and evolutionary perspectives. Both t…
arxiv
Ian A. Crawford
2017-03-18T03:23:42Z
置信度 0.78
physics.pop-phastro-ph.EPphysics.soc-ph
-
The search for extraterrestrial intelligence (SETI) has been heavily influenced by solutions to the Drake Equation, which returns an integer value for the number of communicating civilisations resident in the Milky Way, and by the Fermi Paradox, glibly stated …
arxiv
Duncan Forgan
2008-10-13T12:33:50Z
置信度 0.78
astro-ph
-
The second "Mineral Detection of Neutrinos and Dark Matter" (MDvDM'24) meeting was held January 8-11, 2024 in Arlington, VA, USA, hosted by Virginia Tech's Center for Neutrino Physics. This document collects contributions from this workshop, providing an overv…
arxiv
Sebastian Baum, Patrick Huber, Patrick Stengel, Natsue Abe 等
2024-05-02T18:00:00Z
置信度 0.78
astro-ph.COastro-ph.IMhep-exhep-phphysics.ins-det
-
In the present paper we consider the Type-2.x and Type-3.x extraterrestrial von-Neumann probes and study the problem of their detectability by the world's largest radio telescope: the Five-hundred-meter Aperture Spherical Radio Telescope (FAST). For this purpo…
arxiv
Zaza Osmanov
2021-10-01T13:48:40Z
置信度 0.78
physics.pop-phastro-ph.IM
-
Extraterrestrial autonomous lander missions increasingly demand adaptive capabilities to handle the unpredictable and diverse nature of the terrain. This paper discusses the deployment of a Deep Meta-Learning with Controlled Deployment Gaps (CoDeGa) trained mo…
arxiv
Pranay Thangeda, Ashish Goel, Erica Tevere, Yifan Zhu 等
2023-11-29T07:16:34Z
置信度 0.78
cs.RO
-
It is shown that, contrary to an existing claim, the near equality between the lifetime of the sun and the timescale of biological evolution on earth does not necessarily imply that extraterrestrial civilizations are exceedingly rare. Furthermore, on the basis…
arxiv
Mario Livio
1998-08-21T19:43:00Z
置信度 0.78
astro-ph
-
Interactions between organic species and natural minerals are fundamental to the processes around us. With the aid of molecular dynamics simulations, we identify key adsorption mechanisms of apigenin on smectite clay minerals. The mechanism is highly sensitive…
arxiv
Omar Nuruzade, Elshan Abdullayev, Valentina Erastova
2022-12-22T00:35:28Z
置信度 0.78
cond-mat.mtrl-sci
-
Foundation Models (FMs), e.g., large language models, possess attributes of intelligence which offer promise to endow a robot with the contextual understanding necessary to navigate complex, unstructured tasks in the wild. We see three core challenges in the f…
arxiv
Matthew Foutter, Daniele Gammelli, Justin Kruger, Ethan Foss 等
2024-08-12T05:07:24Z
置信度 0.78
cs.ROcs.AI
-
The mineralized collagen fibril is the main building block of hard tissues and it directly affects the macroscopic mechanics of biological tissues such as bone. The mechanical behavior of the fibril itself is determined by its structure: the content of collage…
arxiv
Julia Kamml, Claire Acevedo, David Kammer
2024-03-18T13:02:36Z
置信度 0.78
q-bio.TO
-
The global capacity for mineral processing must expand rapidly to meet the demand for critical minerals, which are essential for building the clean energy technologies necessary to mitigate climate change. However, the efficiency of mineral processing is sever…
arxiv
William Xu, Amir Eskanlou, Mansur Arief, David Zhen Yin 等
2025-12-01T18:35:54Z
置信度 0.78
eess.SYcs.AI
-
Index of proportionality of atomic weights of chemical elements is proposed for determining the relative age of minerals and rocks. Their chemical analysis results serve to be initial data for calculations. For rocks of different composition the index is consi…
arxiv
Mikhail M. Labushev, Alexander N. Khokhlov
2012-12-12T04:22:50Z
置信度 0.78
physics.geo-ph
-
Deleterious aggregate reactions induced by iron sulfide minerals, especially pyrrhotite and pyrite, have devastated concrete structures across many global regions. While these minerals have been extensively studied under acidic conditions, their behavior in al…
arxiv
Zhanzhao Li, Christopher A. Gorski, Aaron Thompson, Jeffrey R. Shallenberger 等
2025-03-11T17:03:46Z
置信度 0.78
cond-mat.mtrl-sci
-
Are we alone? It is a compelling question that human beings have confronted for centuries. The search for extraterrestrial life is a broad range of quests for finding simple forms of life up to intelligent beings in the Universe. The plausible assumption is th…
arxiv
Shant Baghram
2024-12-03T18:45:18Z
置信度 0.78
astro-ph.GAastro-ph.IMphysics.pop-ph
-
For more than 100 years, humanity (both specialists and enthusiastic laics) has been searching for extraterrestrial life hoping we are not alone. The first step in the quest for extraterrestrial life is to define what and where exactly to look for. Thus, the b…
arxiv
Marko Popovic
2018-10-23T14:37:58Z
置信度 0.78
q-bio.OTphysics.bio-ph
-
We advocate the extraterrestrial solar neutrino physics (etSNP) as a means of investigating solar neutrino physics (SNP). As we already know, the dominant and subdominant (vacuum) oscillation lengths would be approximately one kilometer and one hundred kilomet…
arxiv
W-Y. Pauchy Hwang, Jen-Chieh Peng
2010-03-23T07:13:38Z
置信度 0.78
hep-ph
-
Rock is a complicated material because of the inherent heterogeneity in mineral phases and composition, even when extracted from the same rock mass. The spatial variability in compositional and structural features prevent reproducible measurements of deformati…
arxiv
Liyang Jiang, Hongkyu Yoon, Antonio Bobet, Laura J. Pyrak-Nolte
2019-09-13T08:07:45Z
置信度 0.78
physics.geo-ph
-
Exoplanet observations promise one day to unveil the presence of extraterrestrial life. Atmospheric compounds in strong chemical disequilibrium would point to large-scale biological activity just as oxygen and methane do in the Earth's atmosphere. The cancella…
arxiv
Ignas Snellen, Remco de Kok, Rudolf Le Poole, Matteo Brogi 等
2013-02-13T21:44:59Z
置信度 0.78
astro-ph.EP
-
This concept article discusses the possibilities for identifying sedimentary-origin meteorites. The paper concerns (i) the macroscopic candidate for sedimentary meteorite in the epicenter of the 1908 Tunguska catastrophe; (ii) potential parent bodies for sedim…
arxiv
Yana Anfinogenova, John Anfinogenov, Larisa Budaeva, Dmitry Kuznetsov
2017-06-18T09:47:35Z
置信度 0.78
astro-ph.EP
-
We investigate the microlensing detectability of extraterrestrial technosignatures originating from Dyson sphere \textendash like structures, such as Dyson Swarms surrounding primordial black holes (PBHs). These hypothetical swarms consist of stochastically va…
arxiv
Shant Baghram
2025-12-08T18:50:48Z
置信度 0.78
astro-ph.IMastro-ph.COastro-ph.EPphysics.pop-ph
-
The decline of the number of newly discovered mineral deposits and increase in demand for different minerals in recent years has led exploration geologists to look for more efficient and innovative methods for processing different data types at each stage of m…
arxiv
Hojat Shirmard, Ehsan Farahbakhsh, R. Dietmar Muller, Rohitash Chandra
2021-03-13T10:36:25Z
置信度 0.78
cs.LGcs.CVstat.AP
-
When we try to search for extraterrestrial life and intelligence, we have to follow some guidelines. The first step is to clarify what is to be meant by "Life" and "intelligence", i.e. an attempt to define these words. The word "definition" refers to two diffe…
arxiv
Jean Schneider
2011-12-01T16:06:13Z
置信度 0.78
physics.hist-phastro-ph.EPphysics.pop-ph
-
The energies of the alkali exchange reactions are computed from density functional calculations for a series of alkali silicate minerals. First-principles calculations are compared against (1) experiment; (2) thermodynamic models; (3) calculations using empiri…
arxiv
James R. Rustad
2016-06-03T11:49:58Z
置信度 0.78
cond-mat.mtrl-sci
-
Carbon capture and storage in basalt is being actively investigated as a scalable climate change mitigation option. Accurate geochemical modeling prediction of the extent and rate of CO2 mineralization is a critical component in assessing the local and global …
arxiv
Peng Lu, John Apps, Guanru Zhang, Alexander Gysi Chen Zhu
2024-05-08T15:19:50Z
置信度 0.78
physics.geo-ph
-
We explore paleo-detectors as an approach to the direct detection of Weakly Interacting Massive Particle (WIMP) dark matter radically different from conventional detectors. Instead of instrumenting a (large) target mass in a laboratory in order to observe WIMP…
arxiv
Andrzej K. Drukier, Sebastian Baum, Katherine Freese, Maciej Górski 等
2018-11-16T15:12:20Z
置信度 0.78
astro-ph.COastro-ph.IMhep-phphysics.ins-det
-
One of the most interesting questions that astronomy can hope to answer is: are we alone in our Milky Way galaxy? A detection of an electromagnetic (EM) signal generated by an extraterrestrial technological intelligence, or the presence in our solar system of …
arxiv
B. Zuckerman
2026-03-07T20:41:04Z
置信度 0.78
astro-ph.IMphysics.pop-ph
-
We estimate the relative likelihood of success in the searches for primitive versus intelligent life on other planets. Taking into account the larger search volume for detectable artificial electromagnetic signals, we conclude that both searches should be perf…
arxiv
Manasvi Lingam, Abraham Loeb
2018-07-24T01:57:12Z
置信度 0.78
physics.pop-phastro-ph.EP
-
The calculation of the sign and strength of magnetic interactions in two noncentrosymmetric minerals (klyuchevskite, K3Cu3(Fe0.82Al0.18)O2(SO4)4 and piipite, K4Cu4O2(SO4)4Cu0.5Cl) has been performed based on the structural data. As seen from the calculation re…
arxiv
L. M. Volkova, D. V. Marinin
2016-04-26T04:57:17Z
置信度 0.78
cond-mat.mtrl-scicond-mat.str-el
-
The aim of this work is to investigate contrasting spectral trends observed in carbonaceous chondrites by simulating space weathering effects on a subset of minerals found in these meteorites. We use pulsed laser irradiation to simulate micrometeorite impacts …
arxiv
H. M. Kaluna, H. A. Ishii, J. P. Bradley, J. J. Gillis-Davis 等
2016-12-30T06:00:15Z
置信度 0.78
astro-ph.EP
-
Over a period of several decades a concerted effort has been made to determine whether intelligent life exists outside of our solar system, known as the Search for Extraterrestrial Intelligence or SETI. This has been based primarily upon attempting to intercep…
arxiv
Fred H. Thaheld
2006-08-29T15:07:41Z
置信度 0.78
physics.gen-ph
-
A myriad of access control policy languages have been and continue to be proposed. The design of policy miners for each such language is a challenging task that has required specialized machine learning and combinatorial algorithms. We present an alternative m…
arxiv
Carlos Cotrini, Luca Corinzia, Thilo Weghorn, David Basin
2019-08-16T14:49:38Z
置信度 0.78
cs.CR
-
We present a speculative exploration of the properties of a proposed new Dark Matter (DM) candidate in a heretofore under-explored region of parameter space. Our proposed ultra-cold candidatae has been a matter of speculation for some time,and has recently bee…
arxiv
A. Prillfool, A. A. Stoffers, I. Juodžbalis, M. S. Bothwell 等
2024-03-30T20:18:44Z
置信度 0.78
astro-ph.COgr-qc
-
Meteoritic chondrules were formed in the early solar system by brief heating of silicate dust to melting temperatures. Some highly refractory grains (Type B calcium-aluminum-rich inclusions, CAIs) also show signs of transient heating. A similar process may occ…
arxiv
Colin P. McNally, Alexander Hubbard, Mordecai-Mark Mac Low, Denton S. Ebel 等
2013-01-08T21:19:14Z
置信度 0.78
astro-ph.EPastro-ph.SR
-
Many optical approaches have been used to examine the composition and structure of gemstones, both recently and throughout history. The nonlinear optical behavior of different gemstones has not been investigated, and the higher order terms to the refractive in…
arxiv
Benjamin Cromey, Ryan J. Knox, Khanh Kieu
2018-10-08T21:19:26Z
置信度 0.78
physics.optics
-
A major aspect of the search for extraterrestrial intelligence (SETI) involves searching for electromagnetic transmissions from extraterrestrial sources, often using our own transmissions as a guide. Previous studies have suggested that humanity's most consist…
arxiv
Pinchen Fan, Jason T. Wright, T. Joseph W. Lazio
2025-08-21T10:26:19Z
置信度 0.78
astro-ph.IMastro-ph.EPphysics.pop-ph
-
Following from the results of the first systematic modern low frequency Search for Extraterrestrial Intelligence (SETI) using the Murchison Widefield Array (MWA), which was directed toward a Galactic Center field, we report a second survey toward a Galactic An…
arxiv
S. J. Tingay, C. D. Tremblay, S. Croft
2018-02-26T12:52:03Z
置信度 0.78
physics.pop-phastro-ph.IM
-
Astrophysical research into exoplanets has delivered thousands of confirmed planets orbiting distant stars. These planets span a wide ranges of size and composition, with diversity also being the hallmark of system configurations, the great majority of which d…
arxiv
Nemanja Jovanovic, Yinzi Xin, Michael P. Fitzgerald, Olivier Guyon 等
2023-09-15T19:46:02Z
置信度 0.78
astro-ph.IMastro-ph.EPphysics.ins-det
-
We present the results of a search for extraterrestrial electron antineutrinos ($\barν_{e}$'s) in the energy range $8.3 MeV < E_{\barν_{e}} < 31.8 MeV$ using the KamLAND detector. In an exposure of 4.53 kton-year, we identify 25 candidate events. All of …
arxiv
The KamLAND Collaboration
2011-05-18T02:35:15Z
置信度 0.78
astro-ph.HEhep-exnucl-ex
-
There have been periodic efforts in recent decades to search for extraterrestrial intelligence (SETI), especially by trying to find an extraterrestrial (ET) radio signal or other technosignature in space. Yet, no such technosignatures have been found. Consider…
arxiv
Ross Davis
2019-07-10T01:48:02Z
置信度 0.78
physics.pop-ph
-
Due to its absence of an atmosphere and relative geological inertness, the Moon's surface records past impacts of objects from the Solar system and beyond. We examine the prospects for discovering extrasolar material near the lunar surface and predict that its…
arxiv
Manasvi Lingam, Abraham Loeb
2019-07-11T18:00:03Z
置信度 0.78
astro-ph.EPastro-ph.IM
-
The search for technosignatures (also known as the Search for Extraterrestrial Intelligence or SETI) depends critically on our ability to distinguish artificial signals from the rich complexity of natural astrophysical phenomena and radio frequency interferenc…
arxiv
Chenoa D. Tremblay, Alex Andersson, Joe Bright, Bárbara Cabrales 等
2026-06-25T21:49:02Z
置信度 0.78
astro-ph.IM
-
This study analyzes the mechanical and elemental properties of lunar meteorites DHOFAR 1084, JAH 838, NWA 11444, and HED meteorite NWA 6013. Utilizing microscale rock mechanics experiments, i.e., nanoindentation testing, this research reveals significant heter…
arxiv
Eloy Peña-Asensio, Josep M. Trigo. Rodríguez, Jordi Sort, Jordi Ibáñez-Insa 等
2024-02-06T12:40:29Z
置信度 0.78
cond-mat.mtrl-sciphysics.geo-ph
-
The "search for extraterrestrial intelligence" (SETI) commensal surveys aim to scan the sky to find possible technosignatures from the extraterrestrial intelligence (ETI). The mitigation of radio frequency interference (RFI) is an important step, especially fo…
arxiv
Yu-Chen Wang, Zhen-Zhao Tao, Zhi-Song Zhang, Cheqiu Lyu 等
2023-05-25T05:32:17Z
置信度 0.78
astro-ph.IMphysics.pop-ph
-
The demand for lithium, as well as other critical resources, needed for electrochemical energy storage is expected to grow significantly in the future. Slags obtained from pyrometallurgical recycling represent a promising resource of valuable materials, among …
arxiv
Franziska Strube, Thomas Wilhelm, Johanna Sygusch, Bradley M. Guy 等
2024-02-05T09:01:31Z
置信度 0.78
cond-mat.soft
-
Over the past few years, astronomers have detected thousands of planets and candidate planets by observing their periodic transits in front of their host stars. Related methods might soon allow studies of the chemical imprints of life in extrasolar planetary a…
arxiv
René Heller, Ralph E. Pudritz
2016-02-29T21:34:59Z
置信度 0.78
astro-ph.EPastro-ph.SR
-
The Great Filter interpretation of Fermi's great silence asserts that $Npq$ is not a very large number, where $N$ is the number of potentially life-supporting planets in the observable universe, $p$ is the probability that a randomly chosen such planet develop…
arxiv
Vilhelm Verendel, Olle Häggström
2015-10-29T13:41:54Z
置信度 0.78
physics.pop-ph
-
Concrete, a mixture formed by mixing cement, water, and fine and coarse mineral aggregates is used in the construction of nuclear power plants (NPPs), e.g., to construct the reactor cavity concrete that encases the reactor pressure vessel, etc. In such environ…
arxiv
Isabella Pignatelli, Aditya Kumar, Kevin G. Field, Bu Wang 等
2015-09-05T19:03:29Z
置信度 0.78
cond-mat.mtrl-scicond-mat.dis-nn
-
Abstract This paper presents a parametric design framework for sintered-regolith microhabitats at the lunar poles and couples it to a low-order model of biofilm attachment, growth, and radiative damage on internal liner materials. The approach integrates three…
europepmc
2025
置信度 0.80
-
The development of resin-regolith composites represents a promising In Situ Resource Utilization (ISRU) strategy for future lunar missions. While unsuitable for primary habitat construction due to the payload cost of transporting polymers from Earth, these com…
europepmc
2026
置信度 0.80
-
Abstract Long-term human presence on the Moon and Mars requires sustainable, resource-efficient food production systems. Regolith-based agriculture (RBA) utilizes planetary regolith (mineral, inorganic soils) as a growth substrate capable of providing nutrient…
europepmc
Laura M. Lee, Alexis Bass, Sedona Marie Spann, Xanthe Walker 等
2026
置信度 0.80
Environmental scienceNutrientRegolithBiomass (ecology)Agronomy
-
Additive manufacturing of PEEK/regolith composites offers a promising route for lunar in-space manufacturing by reducing dependence on Earth-supplied materials. However, the processability of these composites and the elastic response of printed components are …
europepmc
2026
置信度 0.80