Journal
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS
Volume 510, Issue 1-2, Pages 1-86Publisher
ELSEVIER
DOI: 10.1016/j.physrep.2011.09.002
Keywords
Brownian motor; Entropy production; Fluctuations; Irreversibility; Markov process; Molecular motor; Noise-induced phenomenon; Stochastic resonance
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Funding
- National Natural Science Foundation of China [10971196]
- Zhejiang Innovation Project [T200905]
- Foundation for the Author of National Excellent Doctoral Dissertation of PRC (FANEDD)
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The concepts of equilibrium and nonequilibrium steady states are introduced in the present review as mathematical concepts associated with stationary Markov processes. For both discrete stochastic systems with master equations and continuous diffusion processes with Fokker-Planck equations, the nonequilibrium steady state (NESS) is characterized in terms of several key notions which are originated from nonequilibrium physics: time irreversibility, breakdown of detailed balance, free energy dissipation, and positive entropy production rate. After presenting this NESS theory in pedagogically accessible mathematical terms that require only a minimal amount of prerequisites in nonlinear differential equations and the theory of probability, it is applied, in Part I, to two widely studied problems: the stochastic resonance (also known as coherent resonance) and molecular motors (also known as Brownian ratchet). Although both areas have advanced rapidly on their own with a vast amount of literature, the theory of NESS provides them with a unifying mathematical foundation. Part II of this review contains applications of the NESS theory to processes from cellular biochemistry, ranging from enzyme catalyzed reactions, kinetic proofreading, to zeroth-order ultrasensitivity. (C) 2011 Elsevier B.V. All rights reserved.
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