Entanglement and heat capacity in a two-atom Bose–Hubbard model

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5 Citazioni (Scopus)

Abstract

We show that a two-atom Bose–Hubbard model exhibits three different phases in the behavior of thermal entanglement in its parameter space. These phases are demonstrated to be traceable back to the existence of level crossings in the ground state of the same system. Significant similarities between the behaviors of thermal entanglement and heat capacity in the parameter space are brought to light thus allowing to interpret the occurrence and the meaning of all these three phases.
Lingua originaleEnglish
pagine (da-a)339-343
Numero di pagine5
RivistaPHYSICS LETTERS A
Volume376
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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