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The fast recurrent subspace on an $N$-level quantum energy transport model

Jorge R. Bolaños-Servín, Josué I. Rios-Cangas, Alfredo Uribe

arXiv (Cornell University), 2023

Abstract

The fast recurrent subspace (the biggest support of all invariant states) of a Weak Coupling Limit Type Quantum Markov Semigroup modeling a quantum transport open system of $N$-energy levels is determined. This is achieved by characterizing the structure of all the invariant state and their spectra in terms of a natural generalization of the Discrete Fourier Transform operator. Finally, the attraction domains and long-time behavior of the evolution are studied on hereditary subalgebras where faithful invariant states exist.

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