A better way to charge a quantum battery - Nature
网页2024年3月8日 · Quantum batteries, which store energy from light in the quantum states of atoms and molecules, could theoretically charge much faster than conventional devices. But...
Study the charging process of moving quantum batteries inside …
网页2023年7月1日 · In recent works, the charging process has been improved by using an intermediate quantum object between the charger and the battery 31,32. In the present study, we are focusing on the...
A Better Way to Charge a Quantum Battery - Physics
网页2024年5月22日 · A quantum battery charging system could potentially be built using any quantum system that breaks time-reversal symmetry. Barzanjeh’s version couples a charger (which could be realized by a microwave resonator) to a battery (which could be realized by a mechanical oscillator).
Enhancing the direct charging performance of an open quantum …
网页2023年11月14日 · In this work we address this issue by developing a charging process of a qubit-based open QB composed of a qubit-battery and a qubit-charger, where each qubit moves inside an independent cavity...
Scaling of energy and power in a large quantum battery-charger …
网页2022年11月30日 · We investigate a multiqubit quantum battery-charger model, focusing on its potential emulation on a superconducting qubit chip. Using a large-spin representation, we first obtain the analytical form of the energy and power , and their maximum values and , of the battery part by means of the antiferromagnetic Holstein-Primakoff transformation ...
New way to charge batteries harnesses the power of 'indefinite …
网页2023年12月14日 · In collaboration with researcher Gaoyan Zhu and Professor Peng Xue from Beijing Computational Science Research Center, the team experimented with ways to charge a quantum battery using optical...
Quick charging of a quantum battery with superposed trajectories
网页2024年5月7日 · We propose charging protocols for quantum batteries based on quantum superpositions of trajectories. Specifically, we consider that a qubit (the battery) interacts with multiple cavities or a single cavity at various …
[2203.09497] Quantum battery with non-Hermitian charging
网页2022年3月17日 · Abstract: We propose a design of a quantum battery exploiting the non-Hermitian Hamiltonian as a charger. In particular, starting with the ground or the thermal state of the interacting (non-interacting) Hamiltonian as the battery, the charging of the battery is performed via parity-time (PT)- and rotational-time (RT)-symmetric Hamiltonian to ...
Quantum battery with interactive atomic collective charging
网页2024年9月12日 · Abstract. The collective charge of two-level atoms interacting in an open system is investigated. In contrast to a no atomic dissipation quantum battery, the battery remains at a steady state after reaching the moment of full charge. Considering the interactions between atoms, we find that the energy storage of quantum batteries will be ...
网页We investigate a multiqubit quantum battery-charger model, focusing on its potential emulation on a super-conducting qubit chip. Using a large-spin representation, we first obtain the analytical form of the energy EB(t) and power PB(t), and their maximum values Emax and Pmax , of the battery part by means of the antiferromagnetic. B B.
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