Remote Charging and Degradation Suppression for the Quantum Battery
- URL: http://arxiv.org/abs/2308.13784v2
- Date: Wed, 28 Feb 2024 07:03:19 GMT
- Title: Remote Charging and Degradation Suppression for the Quantum Battery
- Authors: Wan-Lu Song, Hai-Bin Liu, Bin Zhou, Wan-Li Yang, and Jun-Hong An
- Abstract summary: The quantum battery (QB) makes use of quantum effects to store and supply energy, which may outperform its classical counterpart.
One is that the environment-induced decoherence causes the energy loss and aging of the QB, the other is that the decreasing of the charger-QB coupling strength with increasing their distance makes the charging of the QB become inefficient.
Here, we propose a QB scheme to realize a remote charging via coupling the QB and the charger to a rectangular hollow metal waveguide.
- Score: 8.059511517776805
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: The quantum battery (QB) makes use of quantum effects to store and supply
energy, which may outperform its classical counterpart. However, there are two
challenges in this field. One is that the environment-induced decoherence
causes the energy loss and aging of the QB, the other is that the decreasing of
the charger-QB coupling strength with increasing their distance makes the
charging of the QB become inefficient. Here, we propose a QB scheme to realize
a remote charging via coupling the QB and the charger to a rectangular hollow
metal waveguide. It is found that an ideal charging is realized as long as two
bound states are formed in the energy spectrum of the total system consisting
of the QB, the charger, and the electromagnetic environment in the waveguide.
Using the constructive role of the decoherence, our QB is immune to the aging.
Additionally, without resorting to the direct charger-QB interaction, our
scheme works in a way of long-range and wireless-like charging. Effectively
overcoming the two challenges, our result supplies an insightful guideline to
the practical realization of the QB by reservoir engineering.
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