3 years ago

Weak invariants, temporally-local equilibria, and isoenergetic processes described by the Lindblad equation.

Sumiyoshi Abe, Congjie Ou

The concept of weak invariants is examined in the thermodynamic context. Discussions are made about the temporally-local equilibrium states, corrections to them, and isoenergetic processes based on the quantum master equations of the Lindblad type that admit time-dependent Hamiltonians as weak invariants. Then, the theory is applied to the time-dependent harmonic oscillator as a simple example, and the power output and the work along an isoenergetic process are evaluated within the framework of finite-time quantum thermodynamics.

Publisher URL: http://arxiv.org/abs/1808.04128

DOI: arXiv:1808.04128v1

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