Abstract:We investigate a quantum battery system in which the coupled two-level charger and battery are immersed in nonequilbrium boson or fermion reservoirs. Based on the Redfield master equation, we consider the change of the energy spectrum induced by the external driving to the charger. When the charger and the battery possess the same transition frequency and the charger is driven in resonance, a bistability can emerge with the closure of the Liouvillian gap. As a result, the efficiency of the battery depends on t… Show more
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