Amplified quantum battery via dynamical modulation
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-99291-3
Abstract: We investigate the charging dynamics of a frequency-modulated quantum battery (QB) placed within a dissipative cavity environment. Our study focuses on the interaction of such a battery under both weak and strong coupling regimes, employing… read more here.
Keywords: battery; quantum battery; coupling regime; modulation ... See more keywords
Tunable qubit quantum battery with delta-pulse driving
Sign Up to like & getrecommendations! Published in 2025 at "Applied Physics Letters"
DOI: 10.1063/5.0245610
Abstract: A quantum battery consisting of two coupled qubits driven by a delta-pulse is investigated. By using the framework of open quantum system, we obtain analytically several quantities describing the performance of the quantum battery. In… read more here.
Keywords: battery; delta pulse; quantum battery; qubit quantum ... See more keywords
Charging and energy fluctuations of a driven quantum battery
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ab91fc
Abstract: We consider a quantum battery modeled as a set of $N$ independent two-level quantum systems driven by a time dependent classical source. Different figures of merit, such as stored energy, time of charging and energy… read more here.
Keywords: charging energy; quantum battery; time; battery ... See more keywords
Magnon-mediated quantum battery under systematic errors
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.032606
Abstract: Quantum battery is one of the most prominent micro-devices in the rapid-developing quantum thermodynamics. We propose a quantum charging protocol in which both battery and charger are consisted of a many-spin system. The battery and… read more here.
Keywords: systematic errors; battery; charging protocol; quantum battery ... See more keywords
Stronger speed limit for observables: Tighter bound for the capacity of entanglement, the modular Hamiltonian, and the charging of a quantum battery
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review A"
DOI: 10.1103/physreva.110.022425
Abstract: How fast an observable can evolve in time is answered by so-called ``observable speed limit". Here, we prove a stronger version of the observable speed limit and show that the previously obtained bound is a… read more here.
Keywords: speed limit; capacity; entanglement; speed ... See more keywords
Efficient wireless charging of a quantum battery
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review A"
DOI: 10.1103/physreva.111.042216
Abstract: We explore the wireless charging of a quantum battery (QB) via $n$ charging units, whose coupling is mediated by a common bosonic reservoir. We consider the general scenarios in which the charger energy is not… read more here.
Keywords: wireless charging; charging units; charging quantum; quantum battery ... See more keywords
Extended Dicke quantum battery with interatomic interactions and driving field
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.115405
Abstract: We investigate the charging process of quantum battery (QB) systems in an extended Dicke model with both atomic interactions and an external driving field. We focus on the effects of the atomic interaction and the… read more here.
Keywords: atomic interaction; battery; quantum battery; extended dicke ... See more keywords
Quantum enhancement of a single quantum battery by repeated interactions with large spins.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.054119
Abstract: A generalized collision model is developed to investigate coherent charging a single quantum battery by repeated interactions with many-atom large spins, where collective atom operators are adopted and the battery is modeled by a uniform… read more here.
Keywords: quantum; quantum battery; single quantum; repeated interactions ... See more keywords
Quantum Battery Based on Hybrid Field Charging
Sign Up to like & getrecommendations! Published in 2022 at "Entropy"
DOI: 10.3390/e24121821
Abstract: A quantum battery consisting of an ensemble two-level atom is investigated. The battery is charged simultaneously by a harmonic field and an electrostatic field. The results show that the hybrid charging is superior to the… read more here.
Keywords: battery capacity; quantum battery; field charging; battery ... See more keywords