Results 101 to 110 of about 105,829 (188)

Non-equilibrium spin-boson model: counting statistics and the heat exchange fluctuation theorem

open access: yes, 2011
We focus on the non-equilibrium two-bath spin-boson model, a toy model for examining quantum thermal transport in many-body open systems. Describing the dynamics within the NIBA equations, applicable, e.g., in the strong system-bath coupling limit and/or
Nicolin, Lena, Segal, Dvira
core   +1 more source

Fluctuation Theorem for Partially-masked Nonequilibrium Dynamics

open access: yes, 2014
We establish a novel generalization of the fluctuation theorem for partially-masked nonequilibrium dynamics. We introduce a partial entropy production with a subset of all possible transitions, and show that the partial entropy production satisfies the ...
Sagawa, Takahiro, Shiraishi, Naoto
core   +1 more source

The exchange fluctuation theorem in quantum mechanics

open access: yes, 2009
We study the heat transfer between two finite quantum systems initially at different temperatures. We find that a recently proposed fluctuation theorem for heat exchange, namely the exchange fluctuation theorem [C. Jarzynski and D. K. Wojcik, Phys.
N. Hatano, S. Akagawa, Sevick
core   +1 more source

Role of work in matter exchange between finite quantum systems

open access: yesNew Journal of Physics, 2017
Close to equilibrium, the exchange of particles and heat between macroscopic systems at different temperatures and different chemical potentials is known to be governed by a matrix of transport coefficients which are positive and symmetric.
Euijin Jeon   +3 more
doaj   +1 more source

Hierarchical Information Entropy System Model for TWfMS

open access: yesEntropy, 2018
Under the infrastructure of three gradually deepening layers consisting of System, Service and Software, the information entropy of the Trustworthy Workflow Management System (TWfMS) will evolve from being more precise to more undetermined, due to a ...
Qiang Han, Deren Yang
doaj   +1 more source

Nonequilibrium fluctuation theorems from equilibrium fluctuations

open access: yesNew Journal of Physics, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Saar Rahav, Christopher Jarzynski
openaire   +3 more sources

Fluctuation Theorem for Hidden Entropy Production

open access: yes, 2012
In the general process of eliminating dynamic variables in Markovian models, there exists a difference in the irreversible entropy production between the original and reduced dynamics. We call this difference the hidden entropy production, since it is an
Kawaguchi, Kyogo, Nakayama, Yohei
core   +1 more source

Fluctuation-dissipation considerations and damping models for ferromagnetic materials

open access: yes, 2005
The role of fluctuation-dissipation relations (theorems) for the magnetization dynamics with Landau-Lifshitz-Gilbert and Bloch-Bloembergen damping terms are discussed.
A. G. Gurevich   +14 more
core   +1 more source

Many-body correlations in the kinetic theory of solids

open access: yesMoldavian Journal of the Physical Sciences, 2009
Multiquantum integral kinetic equations for the micropolarization and longitudinal di- electric function are derived with account of pair correlations.
Cliucanov, Alexandr
doaj  

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