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quant-ph2026
Quantum Otto engine with field-decoupled idle levels in a non-Hermitian XY model
Maimaitiyiming Tusun, Fang Zhao
We propose a microscopic realization of the idle-level quantum heat engine architecture based on a two-qubit non-Hermitian XY model with a staggered imaginary magnetic field. The e…
quant-ph2026
Quantum Otto engine powered by an anisotropic Heisenberg XYZ model under independent local magnetic fields
Meiru Li, Maimaitiyiming Tusun, Fang Zhao +2
We study a quantum Otto heat engine whose working substance is an anisotropic two-qubit Heisenberg XYZ model. Independent local magnetic fields are used to control each spin indivi…