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We propose an innovative design for quantum batteries (QBs) that involves coupling two-level systems to a topological photonic waveguide. Employing the resolvent method, we analytically explore the thermodynamic performance of QBs. First,…

Quantum Physics · Physics 2025-05-26 Zhi-Guang Lu , Guoqing Tian , Xin-You Lü , Cheng Shang

Quantum batteries (QBs), as emerging quantum devices for energy storage and transfer, have attracted significant attention due to their potential to surpass classical batteries in charging efficiency and energy density. However,…

Quantum Physics · Physics 2025-09-19 Jin-Tian Zhang , Cheng-Ge Liu , Qing Ai

We investigate a quantum battery system under both external driving and dissipation. The system consists of a coupled two-level charger and battery immersed in nonequilibrium fermionic reservoirs. By considering the changes in the energy…

Quantum Physics · Physics 2025-06-13 Zhihai Wang , Hongwei Yu , Jin Wang

Quantum information theorems state that it is possible to exploit collective quantum resources to greatly enhance the charging power of quantum batteries (QBs) made of many identical elementary units. We here present and solve a model of a…

Mesoscale and Nanoscale Physics · Physics 2018-03-19 Dario Ferraro , Michele Campisi , Gian Marcello Andolina , Vittorio Pellegrini , Marco Polini

Quantum work capacitances and maximal asymptotic work/energy ratios are figures of merit characterizing the robustness against noise of work extraction processes in quantum batteries formed by collections of quantum systems. In this paper…

Quantum Physics · Physics 2025-01-31 Salvatore Tirone , Raffaele Salvia , Stefano Chessa , Vittorio Giovannetti

Quantum batteries represent one of the most promising applications of quantum thermodynamics, whose goal is not only to store energy inside small quantum systems but also to potentially leverage genuine quantum effects to outperform…

Quantum Physics · Physics 2025-07-17 Davide Rinaldi , Radim Filip , Dario Gerace , Giacomo Guarnieri

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

A quantum battery is a temporary energy-storage system. We constructed the quantum battery model of an N-spin chain with nearest-neighbor hopping interaction and investigated the charging process of the quantum battery. We obtained the…

Quantum Physics · Physics 2021-04-16 Fang Zhao , Fu-Quan Dou , Qing Zhao

We study a quantum battery (QB) model composed of two atoms, where the charger and battery elements are coupled to a multimode vacuum field that serves as a mediator for energy transfer. Different figures of merit such as ergotropy,…

Quantum Physics · Physics 2026-01-16 Ming-Liang Hu , Ting Gao , Heng Fan

Quantum batteries utilize nonclassical resources to achieve charging speed and energy storage performances that surpass classical thermodynamic limits. However, the practical realization of quantum batteries is often constrained by the…

Quantum Physics · Physics 2026-05-19 Fan Yang , Hui Wang , Yusef Maleki , William J. Munro , Girish S. Agarwal , Marlan O. Scully

Nonstabilizerness plays an essential role in an efficient simulation of quantum systems on quantum computers. In this work, we investigate its role in the context of quantum batteries (QBs). To this end, we consider a system of N spin-1/2…

Quantum Physics · Physics 2026-05-06 Tanoy Kanti Konar , Jakub Zakrzewski

Quantum batteries have emerged as promising devices that work within the quantum regime and provide energy storage and power delivery. In this work, we explore the interplay between the battery and charger Hamiltonians, focusing on…

Quantum Physics · Physics 2025-11-21 Rohit Kumar Shukla , Rajiv Kumar , Ujjwal Sen , Sunil K. Mishra

Energy can be stored in quantum batteries by electromagnetic fields as chargers. In this paper, the performance of a quantum battery with single and double chargers is studied. It is shown that by using two independent charging fields,…

Quantum Physics · Physics 2022-12-21 Mohammad B. Arjmandi , Abbas Shokri , Esfandyar Faizi , Hamidreza Mohammadi

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

As a model of so-called quantum battery (QB), quantum degrees of freedom as energy storage, we study a charging protocol of a many-body QB consisting of $N$ two-level systems (TLSs) using quantum heat engines (QHEs). We focus on the…

Quantum Physics · Physics 2020-09-25 Kosuke Ito , Gentaro Watanabe

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

Quantum batteries (QBs) have emerged as promising candidates capable of outperforming classical counterparts by utilizing entangled operators. Spin chains, in particular, exhibit unique {charging} properties across diverse settings. Here,…

Quantum Physics · Physics 2025-11-25 Sebastián V. Romero , Xi Chen , Yue Ban

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. Quantum batteries are modelled as non-interacting open quantum systems (mesoscopic…

Quantum Physics · Physics 2024-10-31 F. H. Kamin , Z. Abuali , H. Ness , S. Salimi

We study the collective charging of a quantum battery (QB) consisting of a one-dimensional molecular aggregate and a coupled single-mode cavity, to which we refer as an ``organic quantum battery" since the battery part is an organic…

Quantum Physics · Physics 2025-04-14 Jiawei Li , Ning Wu

The storage and transfer of energy through quantum batteries are key elements in quantum networks. Here, we propose a charger design based on transitionless quantum driving (TQD), which allows for inherent control over the battery charging…

Quantum Physics · Physics 2022-01-19 Luiz F. C. Moraes , Andreia Saguia , Alan C. Santos , Marcelo S. Sarandy