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One of the most fundamental tasks in quantum thermodynamics is extracting energy from one system and subsequently storing this energy in an appropriate battery. Both of these steps, work extraction and charging, can be viewed as cyclic…

Quantum Physics · Physics 2018-04-25 Nicolai Friis , Marcus Huber

We propose a physical scheme of a uniformly accelerated Unruh-DeWitt battery and utilize quantum work extraction as a probe to witness the thermal nature of the Unruh effect induced by the accelerated motion. By employing the open quantum…

General Relativity and Quantum Cosmology · Physics 2025-09-10 Wei-Wei Zhang , Tian-Xi Ren , Yin-Zhong Wu , Xiang Hao

The performance of open quantum batteries (QBs) is severely limited by decoherence due to the interaction with the surrounding environment. So, protecting the charging processes against decoherence is of great importance for realizing QBs.…

Quantum Physics · Physics 2024-05-21 B. Mojaveri , R. Jafarzadeh Bahrbeig , M. A. Fasihi , S. Babanzadeh

Quantum battery (QB) is a conceptually new energy storage and conversion device, which consists usually of a quantum charger and an energy store (called usually as the QB for simplicity). The demonstrated advantage of QB, over its classical…

Quantum Physics · Physics 2025-07-04 Y. F. Li , S. R. He , P. H. Ouyang , X. N. Feng , L. F. Wei

Quantum batteries are energy storage devices built using quantum mechanical objects, which are developed with the aim of outperforming their classical counterparts. Proposing optimal designs of quantum batteries which are able to exploit…

Quantum Physics · Physics 2023-11-07 C. A. Downing , M. S. Ukhtary

Exploiting many-body interaction and critical phenomena to improve the performance of quantum batteries is an emerging and promising line of research. A central question in this direction is whether quantum phase transitions can enhance the…

Quantum Physics · Physics 2026-03-04 D. Farina , M. Sassetti , V. Cataudella , D. Ferraro , N. Traverso Ziani

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

The advantage of quantum batteries is that quantum resources can be used to improve charging efficiency. The quantum resources that are known to be available are: quantum entanglement and quantum coherence. In this paper, we introduce…

Quantum Physics · Physics 2024-06-11 Dayang Zhang , Shuangquan Ma , Yunxiu Jiang , Youbin Yu , Guangri Jin , Aixi Chen

We consider a classical harmonic driving field as the energy charger for the quantum batteries, which consist of an ensemble of two-level atoms. The maximum stored energy and the final state are derived analytically with the optimal driving…

Quantum Physics · Physics 2019-05-15 Yu-Yu Zhang , Tian-Ran Yang , Libin Fu , Xiaoguang Wang

Collective quantum batteries (QBs) demonstrate remarkable acceleration in charging dynamics compared to their individual counterparts, underscoring the pivotal contribution of quantum correlations to advanced energy storage paradigms. A…

Quantum Physics · Physics 2025-03-05 Hai-Long Shi , Li Gan , Kun Zhang , Xiao-Hui Wang , Wen-Li Yang

In realistic open-system environments, decoherence and dissipation naturally drive quantum batteries toward passive states, thereby limiting their maximum extractable work (ergotropy). While quantum catalysis has been proposed to mitigate…

Quantum Physics · Physics 2026-04-29 Shun-Cai Zhao

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 external driving field on…

Quantum Physics · Physics 2022-06-22 Fu-Quan Dou , You-Qi Lu , Yuan-Jin Wang , Jian-An Sun

While the spatial arrangement of individual units is essential for the physical implementation of quantum batteries, geometry-dependent interactions are rarely explicitly incorporated into existing theoretical models. To address this, we…

Quantum Physics · Physics 2026-04-28 Yi-Fan Yang , Shun-Cai Zhao

In realistic situations, physical systems can not be completely isolated from its environment. Its inevitable interaction with the environment can influence the working process of the device. In this paper, we consider two-qubit quantum…

Quantum Physics · Physics 2023-02-15 Kornikar Sen , Ujjwal Sen

This study investigates the dynamics of quantum batteries (QBs), focusing on the pivotal role of quantum entanglement in mediating inter-cellular energy transfer within a two-cell configuration (two-qubit), wherein one cell is directly…

Quantum Physics · Physics 2025-08-05 Ahmed A. Zahia , M. Y. Abd-Rabbou , Ahmed M. Megahed

Theoretical explorations have revealed that quantum batteries can exploit quantum correlation to achieve faster charging, thus promising exciting applications in future technologies. Using NMR architecture, here we experimentally…

Quantum Physics · Physics 2022-10-26 Jitendra Joshi , T S Mahesh

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

We consider how charging performances of a quantum battery, modeled as a two-level system, are influenced by the presence of vacuum fluctuations of a quantum field satisfying the Dirichlet, transparent, and Neumann boundary conditions in…

High Energy Physics - Theory · Physics 2025-05-13 Zehua Tian , Xiaobao Liu , Jieci Wang , Jiliang Jing

Quantum harmonic oscillator (QHO) battery models have been studied with significant importance in the recent past because these batteries are experimentally realizable and have high ergotropy and capacity to store more than one quanta of…

Quantum Physics · Physics 2024-01-17 Kuldeep Gangwar , Anirban Pathak

A quantum system which can store energy, and from which one can extract useful work, is known as a quantum battery. Such a device raises interesting issues surrounding how quantum physics can provide certain advantages in the charging,…

Quantum Physics · Physics 2024-05-21 C. A. Downing , M. S. Ukhtary