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Dipartimento di Fisica

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Lindblad dissipative dynamics in presence of phase coexistence
Speaker Speaker: Andrea Nava
Affiliato Affiliato: SISSA - Trieste
Data Evento Mercoledì 29 Maggio , alle ore 18.30 - Sala riunioni, Piano V, Cubo 31 C
Email Per informazioni scrivere a: domenico.giuliano@fis.unical.it
We investigate the dissipative dynamics yielded by the Lindblad equation within the coexistence
region around a first order phase transition. In particular, we consider an exactly-solvable fully connected​
quantum Ising model with n-spin exchange (n > 2) - the prototype of quantum first​
order phase transitions - and several variants of the Lindblad equations. We show that physically​
sound results, including exotic non-equilibrium phenomena like the Mpemba effect, can be obtained​
only when the Lindblad equation involves jump operators defined for each of the coexisting phases,​
whether stable or metastable.