From pseudo-bosons to pseudo-Hermiticity via multiple generalized Bogoliubov transformations

Fabio Bagarello, Fabio Bagarello, Andreas Fring

Risultato della ricerca: Articlepeer review

2 Citazioni (Scopus)

Abstract

We consider the special type of pseudo-bosonic systems that can be mapped to standard bosons by means of generalized Bogoliubov transformation and demonstrate that pseudo-Hermitian systems can be obtained from them by means of a second subsequent Bogoliubov transformation. We employ these operators in a simple model and study three different types of scenario for the constraints on the model parameters giving rise to a Hermitian system, a pseudo-Hermitian system in which the second Bogoliubov transformation is equivalent to the associated Dyson map and the one in which we obtain (Formula presented.)-quasi bases.
Lingua originaleEnglish
pagine (da-a)1-10
Numero di pagine10
RivistaInternational Journal of Modern Physics B
Stato di pubblicazionePublished - 2017

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics

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