RT Journal Article
T1 Identifying the order of a quantum phase transition by means of Wehrl entropy in phase space
A1 Castaños, Octavio
A1 Calixto, M.
A1 Pérez Bernal, Francisco
A1 Romera, Elvira
AB We propose a method to identify the order of a quantum phase transition by using area measures of the groundstate in phase space. We illustrate our proposal by analyzing the well known example of the quantum cusp andfour different paradigmatic boson models: Dicke, Lipkin-Meshkov-Glick, interacting boson model, and vibronmodel.
PB American Physical Society
SN 1539-3755
SN 1550-2376 (electrónico)
YR 2015
FD 2015
LK http://hdl.handle.net/10272/11484
UL http://hdl.handle.net/10272/11484
LA spa
NO Castaño, O., Calixto, M., Pérez Bernal, F., Romera, E.: "Identifying the order of a quantum phase transition by means of Wehrl entropy in phase space". Physical Review E. Vol. 92, 052106, (2015). DOI: 10.1103/PhysRevE.92.052106
NO We thank J. E. Garcia Ramos for useful discussion. Work in University of Huelva was funded trough MINECO Grants No. FIS2011-28738-C02-02 and No. FIS2014-53448-C2-2-P and by Spanish Consolider-Ingenio 2010 (Grant No. CPANCSD2007-00042). Work in University of Granada was supported by the Spanish Projects: MINECO Grant No. FIS2014-59386-P and Junta de Andalucia Projects No. P12.FQM.1861 and No. FQM-381.
DS Repositorio Institucional de la Universidad de Huelva
RD 30 may 2026