Naoto Shiraishi, Keiji Saito, Hal Tasaki
Published 2016-05-02Version 1
For a general thermodynamic system described as a Markov process, we prove an inequality which shows that nonvanishing heat current inevitably induces dissipation. This leads to a trade-off relation between efficiency and power, with which we establish that a heat engine with nonvanishing power never attains the Carnot efficiency. Our theory applies to systems arbitrarily far from equilibrium, and does not assume any specific symmetry of the model.
Comments: 14 pages, 2 figures. This paper is a revised version of https://arxiv.org/abs/1602.03645, now withdrawn
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