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Energies
Volume 18
Issue 23
10.3390/en18236116
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Universal Features of Non-Analytical Energy Storage in Quantum Critical Quantum Batteries

by
Riccardo Grazi
1,2,
Dario Ferraro
1,2 and
Niccolò Traverso Ziani
1,2,*
1
Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
2
CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy
*
Author to whom correspondence should be addressed.
Energies 2025, 18(23), 6116; https://doi.org/10.3390/en18236116 (registering DOI)
Submission received: 29 October 2025 / Revised: 18 November 2025 / Accepted: 20 November 2025 / Published: 22 November 2025
(This article belongs to the Section D3: Nanoenergy)
Versions Notes

Abstract

Quantum batteries are quantum mechanical systems able to store and release energy in a controlled fashion. Among them, a special role is played by quantum structures defined as networks of two-level systems. In this context, it has recently been shown that the energy stored in free fermion quantum batteries is sensitive to the quantum phase diagram of the battery itself. This sensitivity is relevant for stabilizing the stored energy and designing optimal charging protocols. In this article, we explore universal charging behaviors of free fermion quantum batteries across quantum phase transitions. We first analyze a Dirac cone-like model to extract general features. Then, we verify our findings by means of two relevant lattice models, namely the Ising chain in a transverse field and the Haldane model.
Keywords: quantum batteries; quantum phase transitions; ising model; haldane model quantum batteries; quantum phase transitions; ising model; haldane model

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MDPI and ACS Style

Grazi, R.; Ferraro, D.; Traverso Ziani, N. Universal Features of Non-Analytical Energy Storage in Quantum Critical Quantum Batteries. Energies 2025, 18, 6116. https://doi.org/10.3390/en18236116

AMA Style

Grazi R, Ferraro D, Traverso Ziani N. Universal Features of Non-Analytical Energy Storage in Quantum Critical Quantum Batteries. Energies. 2025; 18(23):6116. https://doi.org/10.3390/en18236116

Chicago/Turabian Style

Grazi, Riccardo, Dario Ferraro, and Niccolò Traverso Ziani. 2025. "Universal Features of Non-Analytical Energy Storage in Quantum Critical Quantum Batteries" Energies 18, no. 23: 6116. https://doi.org/10.3390/en18236116

APA Style

Grazi, R., Ferraro, D., & Traverso Ziani, N. (2025). Universal Features of Non-Analytical Energy Storage in Quantum Critical Quantum Batteries. Energies, 18(23), 6116. https://doi.org/10.3390/en18236116

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