Ergotropy and capacity optimization in Heisenberg spin-chain quantum batteries

Ali, Asad; Al-Kuwari, Saif; Hussain, M. I.; Byrnes, Tim; Rahim, M. T.; Quach, James Q.; Ghominejad, Mehrdad; Haddadi, Saeed

doi:10.1103/physreva.110.052404

Phys. Rev. A

2024

DOI: 10.1103/physreva.110.052404

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Ergotropy and capacity optimization in Heisenberg spin-chain quantum batteries

Asad Ali,

Saif Al-Kuwari,

M. I. Hussain

et al.

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2024

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Effect of DM Interaction in the charging process of a Heisenberg spin chain quantum battery

Murugesh

2024

Phys. Scr.

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We investigate the charging performance of an anisotropic XYZ model of Heisenberg Spin Chain Quantum Battery (HS QB) along with different components of Dzyaloshinskii-Moriya Interaction (DMI) for three cases - short range, long range and infinite range interactions. We find that the presence of DMI enhances the charging power and total stored energy of the QB considered here, when compared to HS QB in most of the cases, by considering both local and collective charging protocols. The maximum stored energy increases linearly with the number of spins (N). An extensive scaling of maximum charging power with the number of spins is obtained in which the maximum power approaches a scaling exponent α=1.846 for collective charging of the model consisting of Heisenberg spin chain with Y component of DMI under infinite range interactions. Finally, we optimize the performance of the battery by measuring the quantum energy fluctuations with in the system.

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Effect of DM Interaction in the charging process of a Heisenberg spin chain quantum battery

Murugesh

2024

Phys. Scr.

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Ergotropy and capacity optimization in Heisenberg spin-chain quantum batteries

Cited by 1 publication

References 82 publications

Effect of DM Interaction in the charging process of a Heisenberg spin chain quantum battery

Effect of DM Interaction in the charging process of a Heisenberg spin chain quantum battery

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