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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
N/A
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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- We study the thermodynamic performance of a periodic quantum Otto cycle operating on the single-impurity Anderson model.
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