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Open Quantum Systems Decoherence

Quantum Otto cycle in the Anderson impurity model

arXiv
Authors: Salvatore Gatto, Alessandra Colla, Heinz-Peter Breuer, Michael Thoss

Year

2026

Paper ID

3142

Status

Preprint

Abstract Read

~2 min

Abstract Words

85

Citations

0

Abstract

We study the thermodynamic performance of a periodic quantum Otto cycle operating on the single-impurity Anderson model. Using a decomposition of the time-evolution generator based on the principle of minimal dissipation, combined with the numerically exact hierarchical equations of motion (HEOM) method, we analyze the operating regimes of the quantum thermal machine and investigate effects of Coulomb interactions, strong system-reservoir coupling, and energy level alignments. Our results show that Coulomb interaction can change the operating regimes and may lead to an enhancement of the efficiency.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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  • We study the thermodynamic performance of a periodic quantum Otto cycle operating on the single-impurity Anderson model.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2601.21546 [2] arXiv https://arxiv.org/abs/2601.21546 [3] Publisher https://arxiv.org/abs/2601.21546

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-20 07:47:43

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