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量子有限时间热力学：来自单个量子比特引擎的见解

Quantum Finite-Time Thermodynamics: Insight from a Single Qubit Engine.

作者信息

Dann Roie, Kosloff Ronnie, Salamon Peter

机构信息

The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel.

Department of Mathematics and Statistics, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182-7720, USA.

出版信息

Entropy (Basel). 2020 Nov 4;22(11):1255. doi: 10.3390/e22111255.

DOI:10.3390/e22111255
PMID:33287023
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7712823/
Abstract

Incorporating time into thermodynamics allows for addressing the tradeoff between efficiency and power. A qubit engine serves as a toy model in order to study this tradeoff from first principles, based on the quantum theory of open systems. We study the quantum origin of irreversibility, originating from heat transport, quantum friction, and thermalization in the presence of external driving. We construct various finite-time engine cycles that are based on the Otto and Carnot templates. Our analysis highlights the role of coherence and the quantum origin of entropy production.

摘要

将时间纳入热力学有助于解决效率与功率之间的权衡问题。量子比特引擎作为一个简化模型，用于从基于开放系统量子理论的第一性原理出发研究这种权衡。我们研究了在外部驱动存在的情况下，由热传输、量子摩擦和热化导致的不可逆性的量子起源。我们构建了基于奥托循环和卡诺循环模板的各种有限时间引擎循环。我们的分析突出了相干性的作用以及熵产生的量子起源。

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