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Entropy flux and entropy production of a stochastic system with double singularities driven by colored noise
Author(s) -
Wenjie Xie,
Xu Wei,
Cai Li
Publication year - 2006
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.55.1639
Subject(s) - entropy production , physics , gravitational singularity , entropy (arrow of time) , colored , statistical physics , quantum relative entropy , entropy rate , maximum entropy probability distribution , dissipative system , colors of noise , joint quantum entropy , principle of maximum entropy , mathematics , thermodynamics , quantum mechanics , statistics , quantum discord , quantum entanglement , quantum , materials science , acoustics , noise reduction , composite material
This paper shows the Fokker-Planck(FP) equation of a stochastic system with double singularities driven by Gaussian colored noise. Based on the FP equation and the definition of Shannon's information entropy, the exact time dependence of entropy flux and entropy production of the system is calculated both in the absence and in the presence of non-equilibrium constraint. The relationship between the properties of double singularities, noise correlation time and dissipative parameter and their effects on entropy flux and entropy production are discussed.

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