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quant-ph2026
Trace-class spectra of irreducible Gaussian quantum Markov semigroups
Franco Fagnola, Zheng Li
We determine the spectrum of the predual generator of an irreducible Gaussian quantum Markov semigroup on trace-class operators, the natural space for density operators. The drift…
quant-ph2026
Irreducibility and regularisation properties of Gaussian quantum Markov semigroups
Franco Fagnola, Federico Girotti
We study regularisation and irreducibility properties of Gaussian quantum Markov semigroups (GQMSs) acting on continuous-variable quantum systems. We first identify a natural notio…