Steady-state charging of quantum batteries via dissipative ancillas
- URL: http://arxiv.org/abs/2310.17174v3
- Date: Fri, 23 Feb 2024 07:57:28 GMT
- Title: Steady-state charging of quantum batteries via dissipative ancillas
- Authors: F. H. Kamin, S. Salimi and M. B. Arjmandi
- Abstract summary: We investigate the steady-state charging process of a single-cell quantum battery embedded in an N-cell star network of qubits.
We find an optimal steady-state charging in both scenarios, which grows monotonically with the reservoirs' chemical potential and chemical potential difference.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We investigate the steady-state charging process of a single-cell quantum
battery embedded in an N-cell star network of qubits, each interacting with a
fermion reservoir, collectively and individually in equilibrium and
non-equilibrium scenarios, respectively. We find an optimal steady-state
charging in both scenarios, which grows monotonically with the reservoirs'
chemical potential and chemical potential difference. Where the high base
temperature of the reservoirs has a destructive role in all parameter regimes.
We indicate that regardless of the strength of the non-equilibrium condition,
the high base chemical potential of the battery's corresponding reservoir can
significantly enhance the charging process. On the other hand, a weak coupling
strength can strongly suppress the charging. Consequently, our results could
counteract the detrimental effects of self-discharging and provide valuable
guidelines for enhancing the stable charging of open quantum batteries in the
absence of an external charging field.
Related papers
- Nonequilibrium entanglement between levitated masses under optimal control [37.69303106863453]
We present a protocol that maximizes entanglement generation between two masses interacting directly through $1/rn$ potential.
The protocol combines optimal quantum control of continuously measured masses with their non-equilibrium dynamics, driven by a time-dependent interaction strength.
arXiv Detail & Related papers (2024-08-12T16:02:42Z) - Non-equilibrium dynamics of charged dual-unitary circuits [44.99833362998488]
interplay between symmetries and entanglement in out-of-equilibrium quantum systems is currently at the centre of an intense multidisciplinary research effort.
We show that one can introduce a class of solvable states, which extends that of generic dual unitary circuits.
In contrast to the known class of solvable states, which relax to the infinite temperature state, these states relax to a family of non-trivial generalised Gibbs ensembles.
arXiv Detail & Related papers (2024-07-31T17:57:14Z) - Frequency-resolved Purcell effect for the dissipative generation of
steady-state entanglement [49.1574468325115]
We report a driven-dissipative mechanism to generate stationary entangled $W$ states among strongly-interacting quantum emitters placed within a cavity.
The non-harmonic energy structure of the interacting ensemble allows this transition to be resonantly selected by the cavity.
Evidence of this purely dissipative mechanism should be observable in state-of-the-art cavity QED systems in the solid-state.
arXiv Detail & Related papers (2023-12-19T18:04:22Z) - Non-equilibrium quantum probing through linear response [41.94295877935867]
We study the system's response to unitary perturbations, as well as non-unitary perturbations, affecting the properties of the environment.
We show that linear response, combined with a quantum probing approach, can effectively provide valuable quantitative information about the perturbation and characteristics of the environment.
arXiv Detail & Related papers (2023-06-14T13:31:23Z) - Beneficial and detrimental entanglement for quantum battery charging [0.0]
We assess the potential advantage of using highly entangled quantum states between the initial and final states of the charging protocol.
We show that the quantum state advantage of battery charging, defined as the power obtainable for given quantum speed limit and battery energy gap, is not an entanglement monotone.
arXiv Detail & Related papers (2023-03-14T12:27:46Z) - Quantum battery charging by non-equilibrium steady-state currents [0.0]
We present an analysis of the availability and maximum extractable work of quantum batteries in the presence of charge and/or heat steady-state currents.
arXiv Detail & Related papers (2023-02-28T14:56:01Z) - Manipulating solid-state spin concentration through charge transport [17.571298724628114]
Solid-state spin defects are attractive candidates for developing quantum sensors and simulators.
We develop a wide-field imaging setup integrated with a fast single photon detector array.
We demonstrate the concentration of the dominant spin defects by a factor of 2 while keeping the $T$ increase of the NV center.
arXiv Detail & Related papers (2023-02-24T16:53:28Z) - Quantum battery in nonequilibrium reservoirs [3.013260458524006]
We investigate a quantum battery system in which the coupled two-level charger and battery are immersed in nonequilbrium boson or fermion reservoirs.
In the non-resonance driving regime, the efficiency of the quantum battery can be optimized by the compensation mechanism for both the boson and fermion reservoirs.
arXiv Detail & Related papers (2022-10-17T06:36:02Z) - Dissipative dynamics of an open quantum battery [0.0]
Coupling with an external environment inevitably affects the dynamics of a quantum system.
We consider how charging performances of a quantum battery, modelled as a two level system, are influenced by the presence of an Ohmic thermal reservoir.
arXiv Detail & Related papers (2020-05-28T14:11:38Z) - Environment-mediated charging process of quantum batteries [0.0]
We study the charging process mediated by a common dissipative environment in two different scenarios.
In the first case, we consider a quantum charger-battery model in the presence of a non-Markovian environment.
In the second scenario, we show the effect of individual and collective spontaneous emission rates on the charging process of quantum batteries.
arXiv Detail & Related papers (2020-05-26T15:57:31Z) - Influence of equilibrium and nonequilibrium environments on macroscopic
realism through the Leggett-Garg inequalities [14.326275827081577]
We study the macroscopic realism (macrorealism) through the two- and three-time Leggett-Garg inequalities (LGIs) in a two interacting qubits system.
We study both how the equilibrium and nonequilibrium environments influence the LGIs.
arXiv Detail & Related papers (2020-01-25T20:20:56Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.