Comparison of Many-Particle Representations for Selected Configuration Interaction: II. Numerical Benchmark Calculations
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Chemical Theory and Computation"
DOI: 10.1021/acs.jctc.1c00081
Abstract: The present work is the second part in our three-part series on the comparison of many-particle representations for the selected configuration interaction (CI) method. In this work, we present benchmark calculations based on our selected… read more here.
Keywords: configuration; configuration interaction; benchmark calculations; particle representations ... See more keywords
Noninteracting many-particle quantum transport between finite reservoirs
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.022207
Abstract: We present a formalism to study many-particle quantum transport across a lattice locally connected to two finite, non-stationary (bosonic or fermionic) reservoirs, both of which are in a thermal state. We show that, for conserved… read more here.
Keywords: quantum transport; particle; particle quantum; many particle ... See more keywords
Solving frustrated quantum many-particle models with convolutional neural networks
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.104426
Abstract: Recently, there has been significant progress in solving quantum many-particle problem via machine learning based on the restricted Boltzmann machine. However, it is still highly challenging to solve frustrated models via machine learning, which has… read more here.
Keywords: machine; frustrated quantum; quantum many; convolutional neural ... See more keywords
Structural characterization of many-particle systems on approach to hyperuniform states.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review. E"
DOI: 10.1103/physreve.103.052126
Abstract: The study of hyperuniform states of matter is an emerging multidisciplinary field, impinging on topics in the physical sciences, mathematics, and biology. The focus of this work is the exploration of quantitative descriptors that herald… read more here.
Keywords: particle systems; many particle; hyperuniform states; hyperuniform ... See more keywords
Anomalous fluctuations of extremes in many-particle diffusion.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.107.l022101
Abstract: In many-particle diffusions, particles that move the furthest and fastest can play an outsized role in physical phenomena. A theoretical understanding of the behavior of such extreme particles is nascent. A classical model, in the… read more here.
Keywords: diffusion; particle diffusion; anomalous fluctuations; model ... See more keywords
Stochastic boundary approaches to many-particle systems coupled to a particle reservoir.
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review E"
DOI: 10.1103/physreve.95.012128
Abstract: Stochastic boundary conditions for interactions with a particle reservoir are discussed in many-particle systems. We introduce the boundary conditions with the injection rate and the momentum distribution of particles coming from a particle reservoir in… read more here.
Keywords: stochastic boundary; boundary conditions; particle; many particle ... See more keywords
Classical many-particle systems with unique disordered ground states.
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review E"
DOI: 10.1103/physreve.96.042146
Abstract: Classical ground states (global energy-minimizing configurations) of many-particle systems are typically unique crystalline structures, implying zero enumeration entropy of distinct patterns (aside from trivial symmetry operations). By contrast, the few previously known disordered classical ground… read more here.
Keywords: ground; disordered ground; entropy; ground states ... See more keywords
Nonequilibrium Dynamics of Renyi Entropy for Bosonic Many-Particle Systems.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.127.200603
Abstract: We propose a new field theoretic method for calculating Renyi entropy of a subsystem of many interacting bosons without using replica methods. This method is applicable to dynamics of both open and closed quantum systems… read more here.
Keywords: dynamics renyi; bosonic many; many particle; renyi entropy ... See more keywords
Prospects of Tensor-Based Numerical Modeling of the Collective Electrostatics in Many-Particle Systems
Sign Up to like & getrecommendations! Published in 2020 at "Computational Mathematics and Mathematical Physics"
DOI: 10.1134/s0965542521050110
Abstract: Abstract Recently the rank-structured tensor approach suggested a progress in the numerical treatment of the long-range electrostatics in many-particle systems and the respective interaction energy and forces. In this paper, we outline the prospects for… read more here.
Keywords: electrostatics many; tensor based; rank; particle systems ... See more keywords