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PreprintarXiv licencearXiv

Quantum Batteries in two-dimensional material-based Josephson Junctions

  • V. Varrica
  • G. Gemme
  • F. M. D. Pellegrino
  • E. Paladino
  • M. Sassetti
  • D. Ferraro
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Abstract

We investigate the solid-state implementation of a Dicke-like quantum battery consisting of a two-dimensional material-based Josephson junction inductively coupled to a resonator, using graphene as a representative example. In this configuration, Andreev bound states naturally act as non-interacting, energetically non-degenerate two-level systems, and the setup allows for both single-photon and two-photon resonant processes. The coupling between the LC-circuit flux and the supercurrent through the junction gives rise to peculiar longitudinal interaction terms that have no counterpart in the conventional Dicke model. We demonstrate that these additional couplings can enhance energy storage for a proper range of parameters. The proposed architecture also enables an alternative, but comparable, charging protocol that relies on tuning the superconducting phase difference across the junction.

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Cite

BibTeXRIS
BibTeX
@misc{varrica2026quantum,
  title = {{Quantum Batteries in two-dimensional material-based Josephson Junctions}},
  author = {V. Varrica and G. Gemme and F. M. D. Pellegrino and E. Paladino and M. Sassetti and D. Ferraro},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2605.22582},
  eprint = {2605.22582},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.22582},
}
RIS
TY  - UNPB
TI  - Quantum Batteries in two-dimensional material-based Josephson Junctions
AU  - V. Varrica
AU  - G. Gemme
AU  - F. M. D. Pellegrino
AU  - E. Paladino
AU  - M. Sassetti
AU  - D. Ferraro
PY  - 2026
DA  - 2026/10/30
PB  - arXiv
DO  - 10.48550/arxiv.2605.22582
UR  - https://arxiv.org/abs/2605.22582
AB  - We investigate the solid-state implementation of a Dicke-like quantum battery consisting of a two-dimensional material-based Josephson junction inductively coupled to a resonator, using graphene as a representative example. In this configuration, Andreev bound states naturally act as non-interacting, energetically non-degenerate two-level systems, and the setup allows for both single-photon and two-photon resonant processes. The coupling between the LC-circuit flux and the supercurrent through the junction gives rise to peculiar longitudinal interaction terms that have no counterpart in the conventional Dicke model. We demonstrate that these additional couplings can enhance energy storage for a proper range of parameters. The proposed architecture also enables an alternative, but comparable, charging protocol that relies on tuning the superconducting phase difference across the junction.
ER  -