On the method of double-time green functions in the theory of spin systems

V. L. Aksenov, J. Schreiber

Research output: Article

5 Citations (Scopus)

Abstract

The thermodynamics of the Ising model in a transverse field is considered within RPA. Contrary to the conventional approach, the order parameter is determined by the free energy while the sum rules are used to check the accuracy for the computed correlation functions.

Original languageEnglish
Pages (from-to)56-57
Number of pages2
JournalPhysics Letters A
Volume69
Issue number1
DOIs
Publication statusPublished - nov. 13 1978

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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