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Št. zadetkov: 3
Single-quasiparticle eigenstate thermalization
Piotr Tokarczyk, Lev Vidmar, Patrycja Łydżba
Izvirni znanstveni članek
Oznake: statistična fizika;statistical physics;
Quadratic Hamiltonians that exhibit single-particle quantum chaos are called quantum-chaotic quadratic Hamiltonians. One of their hallmarks is single-particle eigenstate thermalization introduced in Łydżba et al. [Phys. Rev. B 104, 214203 (2021)], which describes statistical properties of matrix ele ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Normal weak eigenstate thermalization
Patrycja Łydżba, R. Świętek, Marcin Mierzejewski, Marcos Rigol, Lev Vidmar
Izvirni znanstveni članek
Oznake: kvantni kaos;termalizacija;lokalizacija;quantum chaos;thermalization;localization;
Eigenstate thermalization has been numerically shown to occur for few-body observables in a wide range of nonintegrable models. For intensive sums of few-body observables, a weaker version of eigenstate thermalization known as weak eigenstate thermalization has been proved to occur in general. Here, ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Critical quantum dynamics of observables at eigenstate transitions
Simon Jiricek, Miroslav Hopjan, Patrycja Łydżba, F. Heidrich-Meisner, Lev Vidmar
Izvirni znanstveni članek
Oznake: kvantna mehanika;kvantni kaos;Andersonova lokalizacija;fazni prehodi;quantum mechanics;quantum chaos;Anderson localization;phase transitions;
It is an outstanding goal to unveil the key features of quantum dynamics at eigenstate transitions. Focusing on quadratic fermionic Hamiltonians that exhibit localization transitions, we identify physical observables that exhibit scale-invariant critical dynamics at the transition when quenched from ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 3
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