Vacuum enhanced charging of a quantum battery
- URL: http://arxiv.org/abs/2301.13640v1
- Date: Tue, 31 Jan 2023 13:54:14 GMT
- Title: Vacuum enhanced charging of a quantum battery
- Authors: Tiago F. F. Santos, Yohan Vianna de Almeida, and Marcelo F. Santos
- Abstract summary: We show how a purely quantum effect related to the vacuum of the electromagnetic field can enhance the charging of a quantum battery.
In particular, we demonstrate how an anti-Jaynes Cummings interaction can be used to increase the stored energy of an effective two-level atom.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Quantum batteries are quantum systems that store energy which can then be
used for quantum tasks. One relevant question about such systems concerns the
differences and eventual advantages over their classical counterparts, whether
in the efficiency of the energy transference, input power, total stored energy
or other relevant physical quantities. Here, we show how a purely quantum
effect related to the vacuum of the electromagnetic field can enhance the
charging of a quantum battery. In particular, we demonstrate how an anti-Jaynes
Cummings interaction derived from an off-resonant Raman configuration can be
used to increase the stored energy of an effective two-level atom when compared
to its classically driven counterpart, eventually achieving full charging of
the battery with zero entropic cost.
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