Publication Date:
2016-07-21
Description:
Author(s): Lea F. Santos, Marco Távora, and Francisco Pérez-Bernal Excited-state quantum phase transitions (ESQPTs) are generalizations of quantum phase transitions to excited levels. They are associated with local divergences in the density of states. Here, we investigate how the presence of an ESQPT can be detected from the analysis of the structure of the Hamilt… [Phys. Rev. A 94, 012113] Published Wed Jul 20, 2016
Keywords:
Fundamental concepts
Print ISSN:
1050-2947
Electronic ISSN:
1094-1622
Topics:
Physics
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