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Št. zadetkov: 6
Dynamical phase diagram of a quantum Ising chain with long-range interactions
Giulia Piccitto, Bojan Žunkovič, Alessandro Silva
Izvirni znanstveni članek
Oznake: kvantna mehanika;statistična mehanika;quantum mechanics;statistical mechanics;
We investigate the effect of short-range correlations on the dynamical phase diagram of quantum many-body systems with long-range interactions. Focusing on Ising spin chains with power-law decaying interactions and accounting for short-range correlations by a cluster mean field theory we show that s ...
Leto: 2019 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Quasilocalized excitations induced by long-range interactions in translationally invariant quantum spin chains
Alessio Lerose, Bojan Žunkovič, Alessandro Silva, Andrea Gambassi
Izvirni znanstveni članek
Oznake: kvantna mehanika;kvantne spinske verige;quantum mechanics;quantum spin chains;
We show that long-range ferromagnetic interactions in quantum spin chains can induce spatial quasi-localization of topological magnetic defects, i.e., domain-walls, even in the absence of quenched disorder. Utilizing matrix-product-states numerical techniques, we study the non-equilibrium evolution ...
Leto: 2019 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Chaotic dynamical ferromagnetic phase induced by nonequilibrium quantum fluctuations
Alessio Lerose, Jamir Marino, Bojan Žunkovič, Andrea Gambassi, Alessandro Silva
Izvirni znanstveni članek
Oznake: kvantna mehanika;neravnovesna statistična mehanika;quantum mechanics;nonequilibrium statistical mechanics;
We investigate the robustness of a dynamical phase transition against quantum fluctuations by studying the impact of a ferromagnetic nearest-neighbor spin interaction in one spatial dimension on the nonequilibrium dynamical phase diagram of the fully connected quantum Ising model. In particular, we ...
Leto: 2018 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Impact of nonequilibrium fluctuations on prethermal dynamical phase transitions in long-range interacting spin chains
Alessio Lerose, Bojan Žunkovič, Jamir Marino, Andrea Gambassi, Alessandro Silva
Izvirni znanstveni članek
Oznake: kvantna mehanika;neravnovesna statistična mehanika;spinske verige;quantum mechanics;nonequilibrium statistical mechanics;spin chains;
We study the nonequilibrium phase diagram and the dynamical phase transitions occurring during the prethermalization of nonintegrable quantum spin chains, subject to either quantum quenches or linear ramps of a relevant control parameter. We consider spin systems in which long-range ferromagnetic in ...
Leto: 2019 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Scrambling and entanglement spreading in long-range spin chains
Silvia Pappalardi, Angelo Russomanno, Bojan Žunkovič, Fernando Iemini, Alessandro Silva, Rosario Fazio
Izvirni znanstveni članek
Oznake: kvantna statistična mehanika;kvantna mehanika;kvantna prepletenost;quantum statistical mechanics;quantum mechanics;quantum entanglement;
We study scrambling in connection with multipartite entanglement dynamics in regular and chaotic long-range spin chains, characterized by a well-defined semi-classical limit. For regular dynamics, scrambling and entanglement dynamics are found to be very different: up to the Ehrenfest time, they ris ...
Leto: 2018 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Simultaneous ternary extension of DNA catalyzed by a trimeric replicase assembled in vivo
Alejandro Montón Silva, Fabio Lapenta, Alessandra Stefan, Fabrizio Dal Piaz, Alessandro Ceccarelli, Alessandro Perrone, Alejandro Hochkoeppler
Izvirni znanstveni članek
Oznake: biokemija;DNA polimeraza;Escherichia coli;genomi;trimeric DNA polymerase;E. coli DNA polymerase III;triple DNA extension;
According to current models, dimeric DNA Polymerases coordinate the replication of DNA leading and lagging strands. However, it was recently shown that trimeric DNA Polymerases, assembled in vitro, replicate the lagging strand more efficiently than dimeric replicases. Here we show that the τ, α, ε, ...
Leto: 2015 Vir: Univerza v Novi Gorici (UNG)
Št. zadetkov: 6
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