English
Related papers

Related papers: Analytically Solvable Model for Qubit-Mediated Ene…

200 papers

We present a systematic analysis and classification of several models of quantum batteries involving different combinations of two level systems and quantum harmonic oscillators. In particular, we study energy transfer processes from a…

The energy charging of a quantum battery is analyzed in an open quantum setting, where the interaction between the battery element and the external power source is mediated by an ancilla system (the quantum charger) that acts as a…

Mesoscale and Nanoscale Physics · Physics 2019-01-16 Donato Farina , Gian Marcello Andolina , Andrea Mari , Marco Polini , Vittorio Giovannetti

We investigate the coherent energy transfer between two quantum systems mediated by a quantum bus. In particular, we consider the energy transfer process between two qubits, and how it can be influenced by using a third qubit or photons in…

Mesoscale and Nanoscale Physics · Physics 2022-09-21 Alba Crescente , Dario Ferraro , Matteo Carrega , Maura Sassetti

The coherent energy transfer between a quantum charger and a quantum battery is analyzed. In particular, we study how to improve the direct energy transfer by adding a photonic cavity as a mediator. We show that the additional degree of…

Quantum Physics · Physics 2023-07-06 Alba Crescente

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

Within quantum thermodynamics, many tasks are modelled by processes that require work sources represented by out-of-equilibrium quantum systems, often dubbed quantum batteries, in which work can be deposited or from which work can be…

Quantum Physics · Physics 2024-01-26 Pharnam Bakhshinezhad , Beniamin R. Jablonski , Felix C. Binder , Nicolai Friis

The coherent energy transfer between two quantum devices (a quantum charger and a quantum battery) mediated by a photonic cavity is investigated, in presence of dissipative environments, with particular focus on the the ultrastrong coupling…

Quantum Physics · Physics 2024-05-09 Alba Crescente , Dario Ferraro , Maura Sassetti

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

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 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

The challenge of storing energy efficiently and sustainably is highly prominent within modern scientific investigations. Due to the ongoing trend of miniaturization, the design of expressly quantum storage devices is itself a crucial task…

Quantum Physics · Physics 2024-04-01 C. A. Downing , M. S. Ukhtary

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

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…

A quantum battery is a device where an energy is charged by using a quantum effect. Here, we propose a quantum battery with a charger system composed of $N$ qubits by utilizing a collective effect called a superabsorption. Importantly, the…

Quantum Physics · Physics 2022-12-07 Yudai Ueki , Shunsuke Kamimura , Yuichiro Matsuzaki , Kyo Yoshida , Yasuhiro Tokura

Quantum batteries have recently emerged as promising candidates for microscopic energy-storage technologies exploiting uniquely quantum mechanical effects. In this work, we introduce the concept of a quantum capacitor, a quantum device…

Quantum Physics · Physics 2026-05-12 Saeed Haddadi

Starting from the observation that the reduced state of a system strongly coupled to a bath is, in general, an athermal state, we introduce and study a cyclic battery-charger quantum device that is in thermal equilibrium, or in a ground…

Quantum Physics · Physics 2022-02-02 Felipe Barra , Karen V. Hovhannisyan , Alberto Imparato

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

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

Quantum battery, as a novel energy storage device, offers the potential for unprecedented efficiency and performance beyond the capabilities of classical systems, with broad implications for future quantum technologies. Here, we…

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
‹ Prev 1 2 3 10 Next ›