Open Quantum Battery through Quantum Control

Currently, there is extensive interest in employing quantum resources such as quantum coherence and quantum correlation and entanglement for future quantum technologies in the realms of quantum computation, quantum metrology, and quantum thermodynamics. In this context, quantum batteries, i.e., quantum mechanical systems where genuine quantum effects can be used to obtain more efficient and faster charging processes with respect to classical analog systems, are work reservoirs that store energy in quantum degrees of freedom. Nevertheless, the inevitable interaction of a quantum battery with its bath results in the loss of quantum features in addition to the advantages they bring, therefore limiting their realization in real physical settings.

Fortunately, tools and insights from quantum control theory have provided a natural avenue for the engineering of quantum batteries and quantum nanodevices through the modification of the dynamical behaviors of such systems, such as using the method of quantum control to minimize the charging time and to maximize the fraction of energy stored in the quantum batteries that can be extracted to perform thermodynamic work.

This Special Issue aims to be a forum for the presentation of new and improved techniques of quantum control for quantum batteries. In particular, new ideas and promising methods leading to the superior performance of quantum batteries, such as the amount of extractable energy, charging/discharging power, and the stability of the stored energy, fall within the scope of this Special Issue.

Prof. Dr. Wanli Yang
Dr. Jia-Bin You
Guest Editors

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