Thermal rectification and heat amplification in a nonequilibrium V-type three-level system
Chen Wang, Dazhi Xu, Huan Liu, Xianlong Gao
TL;DR
This paper explores how quantum interference in a nonequilibrium V-type three-level system can enable thermal rectification and heat amplification, offering new insights for quantum thermal device design.
Contribution
It demonstrates that noise-induced quantum interference can rectify heat current and identifies heat amplification effects without negative differential thermal conductance.
Findings
Quantum interference enables heat rectification.
Heat amplification occurs far from equilibrium.
No negative differential thermal conductance needed.
Abstract
Thermal rectification and heat amplification are investigated in a nonequilibrium V-type three-level system with quantum interference. By applying the Redfield master equation combined with full counting statistics, we analyze the steady state heat transport. The noise-induced interference is found to be able to rectify the heat current, which paves a new way to design quantum thermal rectifier. Within the three-reservoir setup, the heat amplification is clearly identified far-from equilibrium, which is in absence of the negative differential thermal conductance.
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