A system-only two-point measurement framework delivers exact fluctuation relations for work and heat in open quantum systems along with Jarzynski corrections, recovering prior results for closed systems and holding exactly for pure decoherence.
Quantum Otto cycle in the Anderson impurity model
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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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quant-ph 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Fluctuations of path-dependent thermodynamic quantities in open quantum systems via two-point system-only measurements
A system-only two-point measurement framework delivers exact fluctuation relations for work and heat in open quantum systems along with Jarzynski corrections, recovering prior results for closed systems and holding exactly for pure decoherence.