A unified approach to the derivation of work theorems for equilibrium and steady-state, classical and quantum Hamiltonian systems
arXiv:0711.4176 · doi:10.1103/PhysRevE.78.011116
Abstract
We present a unified and simple method for deriving work theorems for classical and quantum Hamiltonian systems, both under equilibrium conditions and in a steady state. Throughout the paper, we adopt the partitioning of the total Hamiltonian into the system part, the bath part, and their coupling. We rederive many equalities which are available in the literature and obtain a number of new equalities for nonequilibrium classical and quantum systems. Our results can be useful for determining partition functions and (generalized) free energies through simulations and/or measurements performed on nonequilibrium systems.
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- Thermodynamics of a subensemble of a canonical ensemble
- Quantum mechanical work
- Asymptotic non-equilibrium steady state operators
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