English
Related papers

Related papers: Boosting quantum battery performance by structure …

200 papers

Power storage devices are shown to increase their efficiency if they are designed by using quantum systems. We show that the average power output of a quantum battery based on a quantum interacting spin model, charged via a local magnetic…

Quantum Physics · Physics 2022-03-07 Srijon Ghosh , Aditi Sen De

Harnessing quantum phenomena in energy storage systems offers an opportunity to introduce a new generation of batteries with quantum-enhanced performance. Until now, the quantum battery has largely remained a theoretical concept, with…

Quantum energy science is rapidly emerging as a domain interested in the generation, transfer and storage of energy at the quantum level. In particular, quantum batteries have the scope to exploit the wonders of quantum mechanics in order…

Quantum Physics · Physics 2024-07-10 C. A. Downing , M. S. Ukhtary

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

Going beyond isolated system dynamics, we examine how local and spatially correlated reservoirs influence the work extraction in quantum batteries. By employing a one-dimensional spin-1/2 model coupled to baths via dephasing and…

Quantum Physics · Physics 2025-09-30 Sejal Ahuja , Tanoy Kanti Konar , Aditi Sen De

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

Quantum batteries have emerged as promising platforms for exploring energy storage and transfer processes governed by quantum mechanical laws. In this work, we study three models of two-qubit open quantum systems. The first model comprises…

Quantum Physics · Physics 2026-03-31 Mahima Yadav , Devvrat Tiwari , Subhashish Banerjee

Quantum battery (QB) is an application of quantum thermodynamics which uses quantum effects to store and transfer energy, overcoming the limitations of classical batteries and potentially improving performance. However, due to the…

Quantum Physics · Physics 2025-10-07 Jin-Tian Zhang , Cheng-Ge Liu , Qing Ai

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 quantum systems designed to store energy and release it on demand. The optimization of their performance is an intensively studied topic within the realm of quantum technologies. Such optimization forces the question:…

Quantum Physics · Physics 2025-02-11 Riccardo Grazi , Fabio Cavaliere , Niccolò Traverso Ziani , Dario Ferraro

In the quantum world, the process of energy storage can be enhanced thanks to various nonclassical phenomena. This inspiring fact suggests quantum batteries as plausible sources of power for future quantum devices, at least in principle.…

Quantum Physics · Physics 2025-10-27 C. A. Downing , M. S. Ukhtary

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 charger…

Quantum Physics · Physics 2021-09-14 Shi-fan Qi , Jun Jing

Finding a quantum battery model that displays a genuine quantum advantage, while being prone to experimental fabrication, is an extremely challenging task. In this Letter we propose a deceptively simple quantum battery model that displays a…

Quantum Physics · Physics 2025-08-01 Gian Marcello Andolina , Vittoria Stanzione , Vittorio Giovannetti , Marco Polini

Quantum batteries (QBs), acting as energy storage devices, have potential applications in future quantum science and technology. However, the QBs inevitably losses energy due to their interaction with environment. How to enhance the…

Quantum Physics · Physics 2025-11-11 Xian-Li Yin , Meixi Guo , Jian Huang , Heung-wing Joseph Lee , Guofeng Zhang

Quantum batteries have demonstrated remarkable charging properties, showing that a quantum advantage is possible in the realm of quantum thermodynamics. However, finding an effective strategy to store energy for long periods remains crucial…

The quantum battery capacity is introduced in this letter as a figure of merit that expresses the potential of a quantum system to store and supply energy. It is defined as the difference between the highest and the lowest energy that can…

We propose to use a quantum spin chain as a device to store and release energy coherently (namely, a quantum battery) and we investigate the interplay between its internal correlations and outside decoherence. We employ the quantum Ising…

We establish a general implementation-independent approach to assess the potential advantage of using highly entangled quantum states between the initial and final states of the charging protocol to enhance the maximum charging power of…

Quantum Physics · Physics 2024-01-25 Ju-Yeon Gyhm , Uwe R. Fischer

This study explores the energy storage dynamics of a quantum battery (QB) modeled using a dipolar spin system with Dzyaloshinskii-Moriya (DM) interaction. We examine the performance of this system in terms of ergotropy, instantaneous power,…

Quantum Physics · Physics 2025-12-09 J. Ramya Parkavi , R. Muthuganesan , V. K. Chandrasekar

Quantum batteries (QBs) -- quantum devices governed by the principles of quantum mechanics -- hold great promise for next-generation energy storage. However, most existing research efforts focus on atomic or molecular systems featuring…

Quantum Physics · Physics 2026-05-26 Ying-Bo Gao , Fu-Quan Dou