Abstract
Fluctuation theorems are a group of exact relations that remain valid irrespective of how far the system has been driven away from equilibrium. Other than having practical applications, like determination of equilibrium free energy change from nonequilibrium processes, they help in our understanding of the second law and the emergence of irreversibility from time-reversible equations of motion at microscopic level. A vast number of such theorems have been proposed in literature, ranging from Hamiltonian to stochastic systems, from systems in steady state to those in transient regime, and for both open and closed quantum systems. In this article, we discuss about a few such relations, when the system evolves under Hamiltonian dynamics.
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Sourabh Lahiri is an Assistant Professor at Birla Institute of Technology, Mesra (Ranchi). He works in the field of nonequilibrium statistical mechanics.
Arun M Jayannavar is a senior scientist at Institute of Physics, Bhubaneswar and is interested in general condensed matter physics.
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Lahiri, S., Jayannavar, A.M. Fluctuation Theorems of Work and Entropy in Hamiltonian Systems. Reson 23, 573–589 (2018). https://doi.org/10.1007/s12045-018-0650-y
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DOI: https://doi.org/10.1007/s12045-018-0650-y