English
Related papers

Related papers: Ergotropy in Quantum Batteries

200 papers

In this work, we propose an open quantum battery that stores and releases energy by employing a two-mode ultrastrongly coupled bosonic system, with one mode (the charger) coupled to an independent heat reservoir. Our results demonstrate…

Quantum batteries are quantum systems used to store energy to be later extracted by an external agent in the form of work to perform some task. Here we study the charging of a hybrid quantum battery via a collisional model mediated by an…

Quantum Physics · Physics 2026-03-24 Yohan Vianna de Almeida , Tiago F. F. Santos , Marcelo F. Santos

Energy-storage singularities in quantum batteries are often associated with equilibrium quantum criticality. Here we show that, in quench-driven many-body batteries, such singularities can originate from dynamical criticality in momentum…

Quantum Physics · Physics 2026-05-13 Zheng Liu , Wen-Hui Nie , Yi-jia Yang , Lin-Cheng Wang , Chang-shui Yu

We study the effect of parity deformation of the environmental field modes on the wireless charging performance of a qubit-based open quantum battery (QB) consisting of a qubit-battery and a qubit-charger, where there is no direct…

Quantum Physics · Physics 2024-11-27 Bashir Mojaveri , Rasoul Jafarzadeh Bahrbeig , Mohammad Ali Fasihi

We study the charging process of open quantum batteries 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.…

Quantum Physics · Physics 2020-11-30 F. T. Tabesh , F. H. Kamin , S. Salimi

This work introduces a unified theoretical framework for quantum batteries (QBs) constructed from thermally equilibrated arrays of dimeric perylene bisimide (PBI) molecules. These organic dimers, with chemically tunable transition energies…

Quantum Physics · Physics 2025-09-23 Samira Elghaayda , Mostafa Mansour

Environmentally induced decoherence poses a fundamental challenge to quantum energy storage systems, causing irreversible energy dissipation and performance aging of quantum batteries (QBs). To address this issue, we propose a QB protocol…

Quantum Physics · Physics 2025-10-28 Ke-Xiong Yan , Yang Liu , Yang Xiao , Jun-Hao Lin , Jie Song , Ye-Hong Chen , Franco Nori , Yan Xia

We investigate the effect of localization on the local charging of quantum batteries (QBs) modeled by disordered spin systems. Two distinct schemes based on the transverse-field random Ising model are considered, with Ising couplings…

Here we study the impact of non-Markovian evolution on prominent characteristics of quantum thermodynamics, such as ergotropy and power. These are benchmarked by the behavior of the quantum speed limit time. We make use of both…

Quantum Physics · Physics 2023-07-07 Devvrat Tiwari , Subhashish Banerjee

As an energy storing and converting device near atomic size, a quantum battery (QB) promises enhanced charging power and extractable work using quantum resources. However, the ubiquitous decoherence causes its cyclic…

Quantum Physics · Physics 2021-05-21 Si-Yuan Bai , Jun-Hong An

Quantum batteries are quantum mechanical systems with many degrees of freedom which can be used to store energy and that display fast charging. The physics behind fast charging is still unclear. Is this just due to the collective behavior…

Quantum battery (QB) is the miniature energy storage and release device and plays a crucial role in future quantum technology. Here, an implementation scheme of a QB is proposed on a superconducting circuit which is composed by $N$ coupled…

Quantum Physics · Physics 2023-03-15 Fu-Quan Dou , Fang-Mei Yang

The amount of extractable work from a physical system is fundamentally connected to the information available about its state, as illustrated by Maxwell's demon and the Gibbs paradox. In standard thermodynamic protocols involving…

Quantum Physics · Physics 2026-02-27 Tanmoy Biswas

Quantum batteries have emerged as a platform for investigating whether quantum effects can accelerate energy storage beyond classical limits. Although a variety of charging schemes have reported signatures of quantum advantage, the…

Quantum Physics · Physics 2025-12-02 Anupam , Sheryl Mathew , Sibasish Ghosh

Energy dissipation, typically considered an undesirable process, has recently been shown to be harnessed as a resource to optimize the performance of a quantum battery. Following this perspective, we introduce a novel technique of charging…

Quantum Physics · Physics 2025-03-17 Borhan Ahmadi , Paweł Mazurek , Shabir Barzanjeh , Paweł Horodecki

We investigate the charging performance of a quantum battery coupled to a scalar field in the background of a three-dimensional rotating black hole. We show that for Dirichlet boundary conditions, the black hole rotation enhances the…

General Relativity and Quantum Cosmology · Physics 2025-10-28 Xiaofang Liu , Zehua Tian , Jieci Wang

Deterministic emitters transform electronic excitations to photons with unity efficiency. Their development is crucial for both energy-efficient optical interconnects and photonic quantum technologies, but neither rigorous theoretical…

Quantum Physics · Physics 2025-04-28 Sergei Lepeshov , Søren Stobbe

Reliable charging protocols are crucial for advancing quantum batteries toward practical use. We investigate a transverse-field Ising chain as a quantum battery, focusing on the combined role of qubit interactions in the battery model and…

Quantum Physics · Physics 2025-12-17 Riccardo Grazi , Henrik Johannesson , Dario Ferraro , Niccolò Traverso Ziani

We study the charging performance of a one-dimensional, many-body bosonic quantum battery driven by a harmonic-oscillator charger, focusing on how many-body effects and intra-species interactions influence the energy-transfer dynamics. We…

Quantum Physics · Physics 2026-05-20 Duc Tuan Hoang , Thomas Busch , Thomás Fogarty

Recently, there has been an upsurge of interest in quantum thermodynamic devices, notably quantum batteries. Quantum batteries serve as energy storage devices governed by the rules of quantum thermodynamics. Here, we propose a model of a…

Quantum Physics · Physics 2024-01-30 Gourab Bhanja , Devvrat Tiwari , Subhashish Banerjee
‹ Prev 1 8 9 10 Next ›