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Št. zadetkov: 2
Dissipative generation of pure steady states and a gambler's ruin problem
Vladislav Popkov, Simon Essink, Corinna Kollath, Carlo Presilla
Izvirni znanstveni članek
Oznake: kvantna mehanika;odprti kvantni sistemi;markovski procesi;quantum mechanics;open quantum systems;Markov processes;
We consider an open quantum system, with dissipation applied only to a part of its degrees of freedom, evolving via a quantum Markov dynamics. We demonstrate that, in the Zeno regime of large dissipation, the relaxation of the quantum system towards a pure quantum state is linked to the evolution of ...
Leto: 2020 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Transition between dissipatively stabilized helical states
Simon Essink, Stefan Wolff, Gunter M. Schütz, Corinna Kollath, Vladislav Popkov
Izvirni znanstveni članek
Oznake: kvantna mehanika;quantum mechanics;
We analyze a XXZ spin-1/2 chain which is driven dissipatively at its boundaries. The dissipative driving is modeled by Lindblad jump operators which only act on both boundary spins. In the limit of large dissipation, we find that the boundary spins are pinned to a certain value and at special values ...
Leto: 2020 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 2
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