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Title:

Exploring dynamical phase transitions and prethermalization with quantum noise of excitations

Document type:
Zeitschriftenaufsatz
Author(s):
Smacchia, Pietro; Knap, Michael; Demler, Eugene; Silva, Alessandro
Abstract:
Dynamical phase transitions can occur in isolated quantum systems that are brought out of equilibrium by sudden parameter changes. We discuss the characterization of such dynamical phase transitions based on the statistics of produced excitations. We consider both the O(N) model in the large-N limit and a spin model with long-range interactions and show that the dynamical criticality of their prethermal steady states manifests most dramatically not in the average number of excitations but in the...     »
Journal title:
Physical Review B 2015-05
Year:
2015
Journal volume:
91
Journal issue:
20
Fulltext / DOI:
doi:10.1103/physrevb.91.205136
Publisher:
American Physical Society (APS)
E-ISSN:
1098-01211550-235X
Date of publication:
26.05.2015
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