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New Trends on Quantum Batteries and Energetics in the Quantum Regime

A special issue of Entropy (ISSN 1099-4300). This special issue belongs to the section "Quantum Information".

Deadline for manuscript submissions: closed (20 October 2023) | Viewed by 4039

Special Issue Editors


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Guest Editor
Dipartimento di Fisica, Università di Genova, 16146 Genova, Italy
Interests: fractional quantum Hall effect; quantum spin Hall effect; electron quantum optics; interaction effects in low-dimensional systems; energy transport in topological edge channels; quantum batteries
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Guest Editor Assistant
Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
Interests: condensed matter physics; quantum thermodynamics; quantum batteries

Special Issue Information

Dear Colleagues,

The possibility to realize miniaturized devices able to outclass their classical competitors in terms of performance represents one of the main achievements in the field of quantum technologies. Closely intertwined with these technological milestones is the increasing interest in quantum thermodynamics, a very active topic where classical notions such as work and heat are reinvestigated in order to properly characterize the functioning of thermal machines, batteries and energy transfer devices based on quantum systems.

Concerning quantum batteries, various theoretical proposals have been elaborated with the aim of characterizing miniaturized devices able to exploit purely non-classical features in order to outperform their classical counterparts in terms of energy storage, charging power and work extraction. These investigations represent a radical change of perspective in the framework of energy storage and transfer with respect to the electrochemical principles developed in the eighteenth and nineteenth centuries and the scenarios opened by these research are still largely uncharted.

The majority of the proposals discussed so far are designed to be implemented on existing platforms such as set-ups for quantum computation, arrays of artificial atoms and systems for cavity and circuit quantum electrodynamics. Very remarkably, the first experimental evidence based on these proposals started to appear during the last two years.

However, the research on quantum batteries and more generally devices for energy manipulation at the quantum level is still in its infancy and various relevant aspects remain unexplored. For example, even if very important results have been derived starting from simplified models, additional ingredients such sample dependent features and inhomogeneities in the parameters of the building blocks composing the quantum batteries need to be carefully included in order to fill the gap between theoretical analysis and experimental implementations. Moreover, even if the experience maturated in the domain of quantum computing and quantum information has been very precious, the possibility to investigate new experimental platforms and designs could be open interesting new perspectives in this field.  

In this spirit, the present Special Issue is devoted to collecting the current theoretical and experimental state-of-the-art on the domain of quantum batteries to settle a common background for future development in the subject acquiring new insight into the manipulation of energy at the quantum level.

Dr. Dario Ferraro
Guest Editor

Alba Crescente
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Entropy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • quantum batteries
  • quantum advantage
  • charging power
  • ergotropy
  • quantum simulations
  • coherent energy transfer and manipulation

Published Papers (2 papers)

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Research

18 pages, 1633 KiB  
Article
Analytically Solvable Model for Qubit-Mediated Energy Transfer between Quantum Batteries
by Alba Crescente, Dario Ferraro, Matteo Carrega and Maura Sassetti
Entropy 2023, 25(5), 758; https://doi.org/10.3390/e25050758 - 6 May 2023
Cited by 4 | Viewed by 1746
Abstract
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 the two objects is considered [...] Read more.
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 the two objects is considered and then compared to a transfer mediated by an additional intermediate two-level system. In this latter case, it is possible to distinguish between a two-step process, where the energy is firstly transferred from the charger to the mediator and only after from the mediator to the battery, and a single-step in which the two transfers occurs simultaneously. The differences between these configurations are discussed in the framework of an analytically solvable model completing what recently discussed in literature. Full article
(This article belongs to the Special Issue New Trends on Quantum Batteries and Energetics in the Quantum Regime)
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11 pages, 906 KiB  
Article
Quantum Battery Based on Hybrid Field Charging
by Yunxiu Jiang, Tianhao Chen, Chu Xiao, Kaiyan Pan, Guangri Jin, Youbin Yu and Aixi Chen
Entropy 2022, 24(12), 1821; https://doi.org/10.3390/e24121821 - 14 Dec 2022
Cited by 3 | Viewed by 1605
Abstract
A quantum battery consisting of an ensemble two-level atom is investigated. The battery is charged simultaneously by a harmonic field and an electrostatic field. The results show that the hybrid charging is superior to the previous case of only harmonic field charging in [...] Read more.
A quantum battery consisting of an ensemble two-level atom is investigated. The battery is charged simultaneously by a harmonic field and an electrostatic field. The results show that the hybrid charging is superior to the previous case of only harmonic field charging in terms of battery capacity and charging power, regardless of whether the interaction between atoms is considered or not. In addition, the repulsive interaction between atoms will increase the battery capacity and charging power, while the attractive interaction between atoms will reduce the battery capacity and discharge power. Full article
(This article belongs to the Special Issue New Trends on Quantum Batteries and Energetics in the Quantum Regime)
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