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检索条件"主题词=Metropolis algorithm"
649 条 记 录,以下是291-300 订阅
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Effects of setting temperatures in the parallel tempering Monte Carlo algorithm
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Physical Review E 2019年 第4期100卷 043311-043311页
作者: Ignacio Rozada Maliheh Aramon Jonathan Machta Helmut G. Katzgraber 1QB Information Technologies (1QBit) Vancouver BC V6C 2B5 Canada Physics Department University of Massachusetts Amherst Massachusetts 01003 USA Santa Fe Institute Santa Fe New Mexico 87501 USA Microsoft Quantum Microsoft Redmond Washington 98052 USA Department of Physics and Astronomy Texas A&M University College Station Texas 77843-4242 USA
Parallel tempering Monte Carlo has proven to be an efficient method in optimization and sampling applications. Having an optimized temperature set enhances the efficiency of the algorithm through more-frequent replica... 详细信息
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Few-shot machine learning in the three-dimensional Ising model
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Physical Review B 2019年 第9期99卷 094427-094427页
作者: Rui Zhang Bin Wei Dong Zhang Jia-Ji Zhu Kai Chang SKLSM Institute of Semiconductors Chinese Academy of Sciences 100083 Beijing China Center for Excellence in Topological Quantum Computation University of Chinese Academy of Sciences Beijing 100190 China COT Design Department HiSilicon Technologies Co. Ltd. 518129 Shenzhen China School of Science and Laboratory of Quantum Information Technology Chongqing University of Posts and Telecommunications 400061 Chongqing China
We investigate theoretically the phase transition in a three-dimensional cubic Ising model utilizing state-of-the-art machine learning algorithms. Supervised machine learning models show high accuracies (99%) in phase... 详细信息
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Strongly fluctuating moments in the high-temperature magnetic superconductor RbEuFe4As4
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Physical Review B 2019年 第18期99卷 180502(R)-180502(R)页
作者: K. Willa R. Willa J.-K. Bao A. E. Koshelev D. Y. Chung M. G. Kanatzidis W.-K. Kwok U. Welp Materials Science Division Argonne National Laboratory 9700 South Cass Avenue Lemont Illinois 60439 USA Department of Chemistry Northwestern University Evanston Illinois 60208 USA
The iron-based superconductor RbEuFe4As4 undergoes a magnetic phase transition deep in the superconducting state. We investigate the calorimetric response of RbEuFe4As4 single crystals of the magnetic and the supercon... 详细信息
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Acceptance rate is a thermodynamic function in local Monte Carlo algorithms
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Physical Review E 2019年 第6期100卷 063303-063303页
作者: Evgeni Burovski Wolfhard Janke Maria Guskova Lev Shchur National Research University Higher School of Economics 101000 Moscow Russia Institut für Theoretische Physik Universität Leipzig IPF 231101 04081 Leipzig Germany Landau Institute for Theoretical Physics 142432 Chernogolovka Russia
We study properties of Markov chain Monte Carlo simulations of classical spin models with local updates. We derive analytic expressions for the mean value of the acceptance rate of single-spin-flip algorithms for the ... 详细信息
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Fusion Channels of Non-Abelian Anyons from Angular-Momentum and Density-Profile Measurements
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Physical Review Letters 2019年 第26期123卷 266801-266801页
作者: E. Macaluso T. Comparin L. Mazza I. Carusotto INO-CNR BEC Center and Dipartimento di Fisica Università di Trento 38123 Trento Italy LPTMS CNRS Université Paris-Sud Université Paris-Saclay 91405 Orsay France
We present a method to characterize non-Abelian anyons that is based only on static measurements and that does not rely on any form of interference. For geometries where the anyonic statistics can be revealed by rigid... 详细信息
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Monte Carlo methods
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GEM-INTERNATIONAL JOURNAL ON GEOMATHEMATICS 2018年 第1期9卷 117-143页
作者: Koch, Karl-Rudolf Univ Bonn Inst Geodesy & Geoinformat Theoret Geodesy Grp Nussallee 17 D-53115 Bonn Germany
Monte Carlo methods deal with generating random variates from probability density functions in order to estimate unknown parameters or general functions of unknown parameters and to compute their expected values, vari... 详细信息
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Large deviations of the length of the longest increasing subsequence of random permutations and random walks
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Physical Review E 2019年 第4期99卷 042104-042104页
作者: Jörn Börjes Hendrik Schawe Alexander K. Hartmann Institut für Physik Universität Oldenburg 26111 Oldenburg Germany
We study numerically the length distribution of the longest increasing subsequence (LIS) for random permutations and one-dimensional random walks. Using sophisticated large-deviation algorithms, we are able to obtain ... 详细信息
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Evidence of Kosterlitz-Thouless phase transitions in the Ising model with dipolar interactions
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Physical Review E 2019年 第2期100卷 022143-022143页
作者: M. A. Bab G. P. Saracco Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA) UNLP CCT La Plata-CONICET c.c. 16 Suc. 4 (1900)La Plata Argentina
The ferromagnetic bidimensional Ising model with dipolar interactions has been proposed to model ultrathin films with strong out-of-plane anisotropy. The phase diagram presents a rich phenomenology that includes low-t... 详细信息
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Exotic Magnetic Field-Induced Spin-Superstructures in a Mixed Honeycomb-Triangular Lattice System
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Physical Review X 2019年 第1期9卷 011038-011038页
作者: V. Ovidiu Garlea Liurukara D. Sanjeewa Michael A. McGuire Cristian D. Batista Anjana M. Samarakoon David Graf Barry Winn Feng Ye Christina Hoffmann Joseph W. Kolis Neutron Scattering Division Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Department of Chemistry and Center for Optical Materials Science and Engineering Technologies (COMSET) Clemson University Clemson South Carolina 29634-0973 USA Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Shull-Wollan Center Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Department of Physics and Astronomy University of Tennessee Knoxville Tennessee 37996 USA National High Magnetic Field Laboratory Florida State University Tallahassee Florida 32310 USA
The temperature–magnetic field phase diagram of the mixed honeycomb-triangular lattice system K2Mn3(VO4)2CO3 is investigated by means of magnetization, heat-capacity, and neutron-scattering measurements. The results ... 详细信息
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Model of magnetic friction obeying the Dieterich-Ruina law in the steady state
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Physical Review E 2019年 第5期100卷 052130-052130页
作者: Hisato Komatsu Research Center for Advanced Measurement and Characterization National Institute for Materials Science Tsukuba Ibaraki 305-0047 Japan
We propose a model of magnetic friction and investigate the relation between the frictional force and the relative velocity of surfaces in the steady state. The model comprises two square lattices adjacent to each oth... 详细信息
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