Quantum engine efficiency bound beyond the second law of thermodynamics

Evaluating maximum conversion efficiency from heat to work using non-thermal baths can lead to meaningless results, when based only on the reversibility requirement. Here, the authors solve this problem by identifying the fraction of exchanged energy that necessarily causes a change in entropy.

Bibliographic Details
Main Authors: Wolfgang Niedenzu, Victor Mukherjee, Arnab Ghosh, Abraham G. Kofman, Gershon Kurizki
Format: Article
Language:English
Published: Nature Publishing Group 2018-01-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-017-01991-6