Conserving the linear momentum in stochastic dynamics: Dissipative particle dynamics as a general strategy to achieve local thermostatization in molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Computational Chemistry"
DOI: 10.1002/jcc.24677
Abstract: Stochastic dynamics is a widely employed strategy to achieve local thermostatization in molecular dynamics simulation studies; however, it suffers from an inherent violation of momentum conservation. Although this short‐coming has little impact on structural and… read more here.
Keywords: achieve local; stochastic dynamics; thermostatization; momentum ... See more keywords
Rare Event Simulation for Stochastic Dynamics in Continuous Time
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Statistical Physics"
DOI: 10.1007/s10955-019-02340-1
Abstract: Large deviations for additive path functionals of stochastic dynamics and related numerical approaches have attracted significant recent research interest. We focus on the question of convergence properties for cloning algorithms in continuous time, and establish… read more here.
Keywords: stochastic dynamics; cloning algorithms; rare event; continuous time ... See more keywords
Stochastic dynamics of a piezoelectric energy harvester with correlated colored noises from rotational environment
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-019-05208-x
Abstract: The energy harvesting from rotational automotive tire is studied through an electromechanical-coupled system which is a harmonically driven bi-stable potential with correlated additive and multiplicative colored noises. By integrating the voltage equation and introducing generalized… read more here.
Keywords: colored noises; system; energy; stochastic dynamics ... See more keywords
Global-nonlinear stochastic dynamics of a class of two-state two-parameter non-isothermal continuous stirred tank reactors
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Process Control"
DOI: 10.1016/j.jprocont.2018.07.012
Abstract: Abstract The global-nonlinear stochastic dynamics of a class of two-state two-parameter continuous exothermic chemical reactors subjected to noise disturbances is studied with Fokker-Planck’s (FP’s) partial differential equation (PDE) theory. The dependency of the stochastic on… read more here.
Keywords: state; nonlinear stochastic; global nonlinear; stochastic dynamics ... See more keywords
Stochastic dynamics of planar magnetic moments in a three-dimensional environment
Sign Up to like & getrecommendations! Published in 2018 at "Physica A: Statistical Mechanics and its Applications"
DOI: 10.1016/j.physa.2018.06.126
Abstract: Abstract We study the stochastic dynamics of a two-dimensional magnetic moment embedded in a three-dimensional environment, described by means of the stochastic Landau–Lifshitz–Gilbert (sLLG) equation. We define a covariant generalization of this equation, valid in… read more here.
Keywords: three dimensional; stochastic dynamics; dimensional environment; formulation ... See more keywords
GROMACS Stochastic Dynamics and BAOAB Are Equivalent Configurational Sampling Algorithms.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.2c00585
Abstract: Two of the most widely used Langevin integrators for molecular dynamics simulations are the GROMACS Stochastic Dynamics (GSD) integrator and the splitting method BAOAB. In this letter, we show that the GROMACS Stochastic Dynamics integrator… read more here.
Keywords: configurational sampling; dynamics baoab; baoab equivalent; equivalent configurational ... See more keywords
Stochastic dynamics of an active particle escaping from a potential well.
Sign Up to like & getrecommendations! Published in 2020 at "Chaos"
DOI: 10.1063/1.5140853
Abstract: Active matter systems are driven out of equilibrium by the energy directly supplied at the level of constituent active particles that are self-propelled. We consider a model for an active particle in a potential well,… read more here.
Keywords: active particle; stochastic dynamics; potential well; dynamics active ... See more keywords
Generating transverse response explicitly from harmonic oscillators
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.134414
Abstract: We obtain stochastic dynamics from a system-plus-bath mechanism as an extension of the Caldeira-Leggett (CL) model in the classical regime. An effective magnetic field and response functions with both longitudinal and transverse parts are exactly… read more here.
Keywords: transverse response; response; stochastic dynamics; effective magnetic ... See more keywords
Stochastic dynamics for group field theories
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review D"
DOI: 10.1103/physrevd.107.086009
Abstract: Phase transitions with spontaneous symmetry breaking are expected for group field theories as a basic feature of the geometogenesis scenario. The following paper aims to investigate the equilibrium phase for group field theory by using… read more here.
Keywords: group field; dynamics group; group; stochastic dynamics ... See more keywords
Stochastic dynamics, large deviation principle, and nonequilibrium thermodynamics.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review. E"
DOI: 10.1103/physreve.104.044113
Abstract: By examining the deterministic limit of a general ε-dependent generator for Markovian dynamics, which includes the continuous Fokker-Planck equations and discrete chemical master equations as two special cases, the intrinsic connections among mesoscopic stochastic dynamics,… read more here.
Keywords: dynamics large; large deviation; stochastic dynamics; thermodynamics ... See more keywords
Stochastic dynamics of a nonlinear thermal circuit with bistability.
Sign Up to like & getrecommendations! Published in 2023 at "Physical review. E"
DOI: 10.1103/physreve.107.044120
Abstract: Stochastic dynamics of a nonlinear thermal circuit is studied. Due to the existence of negative differential thermal resistance, there exist two stable steady states that satisfy both the continuity and stability conditions. The dynamics of… read more here.
Keywords: stable steady; dynamics nonlinear; stochastic dynamics; nonlinear thermal ... See more keywords