Some applications of renormalized RPA in bosonic field theories

Article

Abstract.

We present some applications of the renormalized RPA in bosonic field theories. We first present some developments for the explicit calculation of the total energy in \(\Phi^4\) theory and discuss its phase structure in 1 + 1 dimensions. We also demonstrate that the Goldstone theorem is satisfied in the O(N) model within the renormalized RPA.

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© Springer-Verlag Berlin/Heidelberg 2004

Authors and Affiliations

  1. 1.IPN LyonVilleurbanne CedexFrance
  2. 2.Departamento de Física da Universidade de CoimbraCentro de Física TeóricaCoimbraPortugal

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