English
Related papers

Related papers: Optimal charging of a superconducting quantum batt…

200 papers

A fully operational loss-free quantum battery requires an inherent control over the energy transfer process, with the ability of keeping the energy retained with no leakage. Moreover, it also requires a stable discharge mechanism, which…

Quantum Physics · Physics 2020-06-11 Alan C. Santos , Andreia Saguia , Marcelo S. Sarandy

The coherent energy transfer between two identical two-level systems is investigated. Here, the first quantum system plays the role of a charger, while the second can be seen as a quantum battery. Firstly, a direct energy transfer between…

Quantum Physics · Physics 2023-05-10 Alba Crescente , Dario Ferraro , Matteo Carrega , Maura Sassetti

Quantum batteries have significant potential applications for future industry and daily life. The capacity is an important indicator for a battery. Methods to improve the capacity of quantum batteries are important. We consider quantum…

Quantum Physics · Physics 2024-05-07 Tinggui Zhang , Hong Yang , Shao-Ming Fei

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 define a quantum charger as an interacting quantum system that transfers energy between two drives. The key figure of merit characterizing a charger is its charging power. Remarkably, the presence of long-range interactions within the…

Statistical Mechanics · Physics 2026-01-07 Harald Schmid , Felix von Oppen , Gil Refael , Yang Peng

Nowadays, quantum batteries (QBs) have been designed to outperform their classical counterparts by leveraging quantum advantages. For instance, the charging power greatly benefits from the entanglement generation of a collective charging…

Quantum Physics · Physics 2026-04-01 Guohui Dong , Mengqi Yu , Yao Yao

We consider a model for a quantum battery consisting of a collection of $N$ two-level atoms driven by a classical field and decaying to a common reservoir. In the extensive regime, where the energy $E$ scales as $N$ and the fluctuations…

Quantum Physics · Physics 2024-12-17 Sagar Pokhrel , Julio Gea-Banacloche

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 study the geometric phase accumulated during non-adiabatic charging of different driven open quantum systems serving as quantum battery models. We provide a full numerical analysis of dynamics under different type of noises typically…

Quantum Physics · Physics 2025-09-16 Camila Cristiano , Ludmila Viotti , Paula I. Villar

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

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

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 introduce a cavity-coupled finite quantum system which can act as a quantum battery by harnessing noise induced coherences. We apply the methodology of full counting statistics to capture higher-order fluctuations of quanta exchange in…

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

We explore a protocol that efficiently charges multiple open quantum batteries in parallel using a single charger. This protocol shows super-extensive charging through collective coupling of the charger and the battery to the same thermal…

Quantum Physics · Physics 2024-10-28 Josephine Dias , Hui Wang , Kae Nemoto , Franco Nori , William J. Munro

We characterize for the first time the performances of IBM quantum chips as quantum batteries, specifically addressing the single-qubit Armonk processor. By exploiting the Pulse access enabled to some of the IBM Quantum processors via the…

Quantum Physics · Physics 2022-06-14 Giulia Gemme , Michele Grossi , Dario Ferraro , Sofia Vallecorsa , Maura Sassetti

We studied the dynamics of entropic uncertainty in Markovian and non-Markovian systems during the charging of open quantum batteries (QBs) mediated by a common dissipation environment. In the non-Markovian regime, the battery is almost…

Quantum Physics · Physics 2022-11-07 Meng-Long Song , Li-Juan Li , Xue-Ke Song , Liu Ye , Dong Wang

Quantum batteries, miniaturized devices able to store and release energy on demand, are promising both because their intrinsic energy and time scales can match those of other quantum technologies and due to the intriguing possibility of…

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

The analytically tractable model employing Quantum Markovian Master Equations, derived by weak coupling procedure and satisfying complete positivity, is proposed to describe a model of molecular battery charged by a non-equilibrium…

Quantum Physics · Physics 2019-06-26 Robert Alicki