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Random quantum batteries
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DOI：10.1103/PhysRevResearch.2.023095.png)
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摘要
En 中文
Quantum nanodevices are fundamental systems in quantum thermodynamics that have been the subject of profound interest in recent years. Among these, quantum batteries play a very important role. In this paper we lay down a theory of random quantum batteries and provide a systematic way of computing the average work and work fluctuations in such devices by investigating their typical behavior. We show that the performance of random quantum batteries exhibits typicality and depends only on the spectral properties of the time evolving operator, the initial state, and the measuring Hamiltonian. At given revival times a random quantum battery features a quantum advantage over classical random batteries. Our method is particularly apt to be used both for exactly solvable models like the Jaynes-Cummings model or in perturbation theory, e.g., systems subject to harmonic perturbations. We also study the setting of quantum adiabatic random batteries.
Keyword:
WORK
THERMODYNAMICS
INEQUALITY
RICCATI
BOUNDS
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4.2
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7.6K
被引数:
2.7W
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分享收藏Enhancement in the performance of a quantum battery by ordered and disordered interactions通过有序和无序相互作用增强量子电池的性能.png)
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PHYSICAL REVIEW AIF2.9
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