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Open Quantum Systems Decoherence Quantum Thermodynamics

A multifunctional quantum thermal device: with and without inner coupling

arXiv
Authors: Yong Huangfu, Shifan Qi, Jun Jing

Year

2020

Paper ID

21144

Status

Preprint

Abstract Read

~2 min

Abstract Words

116

Citations

N/A

Abstract

A three-level system attached to three thermal baths is manipulated to be a microscopic thermal device integrating a valve, a refrigerator, an amplifier, and a thermometer in the quantum regime, via tuning the inner coupling strength of the system and the temperatures of the external baths. We discuss the role of the inner coupling as well as the steady-state quantum coherence in these thermal functions using the Redfield master equation under a partial secular approximation. A high-sensitive thermometer for the low-temperature terminal can be established without the assistance from the inner coupling of the system. Our study of this multifunctional thermal device provides a deeper insight to the underlying quantum thermodynamics associated with the quantum coherence.

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  • A three-level system attached to three thermal baths is manipulated to be a microscopic thermal device integrating a valve, a refrigerator, an amplifier, and a thermometer in...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.12486 [2] arXiv https://arxiv.org/abs/2008.12486 [3] Publisher https://arxiv.org/abs/2008.12486

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