量子电池可提取功的波动与充电功率界限
Fluctuations in Extractable Work and Bounds on the Charging Power of Quantum Batteries.
作者信息
Wang Shang-Yung
机构信息
Department of Physics, Tamkang University, New Taipei City 25137, Taiwan.
出版信息
Entropy (Basel). 2021 Nov 1;23(11):1455. doi: 10.3390/e23111455.
Abstract
Motivated by a recent disagreement about the claim that fluctuations in the free energy operator bound the charging power of a quantum battery, we present a critical analysis of the original derivation. The analysis shows that the above claim does not hold for both closed- and open-system dynamics. Our results indicate that the free energy operator is not a consistent quantifying operator for the work content of a charging quantum battery.
摘要
受近期关于自由能算符的涨落限制量子电池充电功率这一说法的分歧所驱动，我们对原推导进行了批判性分析。分析表明，上述说法对于封闭系统和开放系统动力学均不成立。我们的结果表明，自由能算符并非用于量化充电量子电池工作内容的一致算符。
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