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相关论文: Bridge functions of classical one-component plasma…

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In this paper we use a path-integral approach to represent the Lyapunov exponents of both deterministic and stochastic dynamical systems. In both cases the relevant correlation functions are obtained from a (one-dimensional) supersymmetric…

混沌动力学 · 物理学 2007-05-23 E. Gozzi , M. Reuter

Stochastic processes of evolving shapes are used in applications including evolutionary biology, where morphology changes stochastically as a function of evolutionary processes. Due to the non-linear and often infinite-dimensional nature of…

概率论 · 数学 2026-04-07 Stefan Sommer , Gefan Yang , Elizabeth Louise Baker

An overview of some analytical approaches to the computation of the structural and thermodynamic properties of single component and multicomponent hard-sphere fluids is provided. For the structural properties, they yield a thermodynamically…

统计力学 · 物理学 2008-07-18 M. Lopez de Haro , S. B. Yuste , A. Santos

Results for the dynamic structure factor of a one-component plasma are presented for the situations of strong coupling and weak degeneracy and strong degeneracy and weak coupling. Possibilities to obtain rigorous results when both, coupling…

统计力学 · 物理学 2009-11-07 M. Bonitz , V. Golubnichiy , N. H. Kwong , D. Semkat , D. Kremp , V. S. Filinov , M. Schlanges

We systematically explored the phase behavior of the hard-core two-scale ramp model suggested by Jagla[E. A. Jagla, Phys. Rev. E 63, 061501 (2001)] using a combination of the nested sampling and free energy methods. The sampling revealed…

材料科学 · 物理学 2021-07-07 Albert P. Bartók , György Hantal , Livia B. Pártay

Flow and bridge matching are a novel class of processes which encompass diffusion models. One of the main aspect of their increased flexibility is that these models can interpolate between arbitrary data distributions i.e. they generalize…

机器学习 · 计算机科学 2023-11-14 Valentin De Bortoli , Guan-Horng Liu , Tianrong Chen , Evangelos A. Theodorou , Weilie Nie

A relatively simple and physically transparent model based on quantum percolation and dephasing is employed to construct a global phase diagram which encodes and unifies the critical physics of the quantum Hall, "two-dimensional…

介观与纳米尺度物理 · 物理学 2009-11-10 Yonatan Dubi , Yigal Meir , Yshai Avishai

We study the Yukawa model with one scalar and one axial scalar fields, coupled to $N$ copies of Dirac fermions, in curved spacetime background. The theory possesses a reach set of coupling constants, including the scalar terms with odd…

高能物理 - 理论 · 物理学 2019-10-15 Iosif L. Buchbinder , Andreza Rairis Rodrigues , Eduardo Antonio dos Reis , Ilya L. Shapiro

The study of many-body quantum dynamics in strongly-correlated systems is extremely challenging. To date few numerical methods exist which are capable of simulating the non-equilibrium dynamics of two-dimensional quantum systems, in part…

量子物理 · 物理学 2024-09-17 S. J. Thomson , J. Eisert

Monte Carlo techniques play a central role in statistical mechanics approaches for connecting macroscopic thermodynamic and kinetic properties to the electronic structure of a material. This paper describes the implementation of Monte Carlo…

材料科学 · 物理学 2023-09-22 Brian Puchala , John C. Thomas , Anton Van der Ven

In this letter, a phase transition of a non-equilibrated single component plasma evolving within a uniform constant magnetic field is demonstrated for the first time. We present classical fluid models that capture this phenomenon, confirm…

等离子体物理 · 物理学 2022-03-08 Omid Zandi , Renske M. van der Veen , Phil M. Duxbury , Brandon S. Zerbe

The Yukawa one-component plasma (OCP) is a paradigm model for describing plasmas that contain one component of interest and one or more other components that can be treated as a neutralizing, screening background. In appropriately scaled…

等离子体物理 · 物理学 2016-02-10 T. K. Langin , T. Strickler , N. Maksimovic , P. McQuillen , T. Pohl , D. Vrinceanu , T. C. Killian

While recent work towards the development of tight-binding and ab-initio algorithms has focused on molecular dynamics, Monte Carlo methods can often lead to better results with relatively little effort. We present here a multi-step Monte…

统计力学 · 物理学 2009-10-31 Parthapratim Biswas , G. T. Barkema , Normand Mousseau , W. F. van der Weg

A key uncertainty in the design and development of magnetic confinement fusion energy reactors is predicting edge plasma turbulence. An essential step in overcoming this uncertainty is the validation in accuracy of reduced turbulent…

等离子体物理 · 物理学 2022-05-20 Abhilash Mathews , Noah Mandell , Manaure Francisquez , Jerry Hughes , Ammar Hakim

The purpose of this paper is to bridge kinetic plasma descriptions and low frequency single fluid models. More specifically, the asymptotics leading to Magneto-Hydro-Dynamic (MHD) regimes starting from the Vlasov-Maxwell system are…

等离子体物理 · 物理学 2020-04-21 A. Crestetto , F. Deluzet , D. Doyen

The existence of plasma oscillations at multiples of the magnetoplasmon frequency in a strongly coupled two-dimensional magnetized Yukawa plasma is reported, based on extensive molecular dynamics simulations. These modes are the analogues…

等离子体物理 · 物理学 2015-05-18 M. Bonitz , Z. Donko , T. Ott , H. Kaehlert , P. Hartmann

Developing a quantitative understanding of wave plasma processes in the lower ionosphere requires a reasonably accurate theoretical description of the underlying physical processes. For such highly collisional plasma environment as the…

等离子体物理 · 物理学 2024-07-22 Y. S. Dimant

In the past few years considerable progress has been made in Monte Carlo simulations of first-order phase transitions and in the analysis of the resulting finite-size data. In this paper special emphasis will be placed on multicanonical…

高能物理 - 格点 · 物理学 2007-05-23 Wolfhard Janke

The problem of the calculation of equilibrium thermodynamic properties and the establishment of statistical-thermodynamically-consistent finite bound-state partition functions in nonideal multi-component plasma systems is revised within the…

等离子体物理 · 物理学 2015-05-20 Mofreh R. Zaghloul

Shielding effects in non-degenerate and degenerate plasmas are compared. A detailed derivation of the Wigner-Poisson system is provided for electrostatic quantum plasmas where relativistic, spin and collisional effects are not essential.…

等离子体物理 · 物理学 2012-06-07 Fernando Haas