Spin quantum number in the ground state of the Mattis-Heisenberg model

Hidetoshi Nishimori

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Total spin quantum number is rigorously calculated for a quantum version of the Mattis model of random spin systems. Crossover between three universality classes of the Ising model, the XY model, and the Heisenberg model is explicitly worked out in the presence of randomness. The randomness of the type of the Mattis model is shown to have no thermodynamic effects even in quantum systems.

Original languageEnglish
Pages (from-to)839-845
Number of pages7
JournalJournal of Statistical Physics
Volume26
Issue number4
DOIs
Publication statusPublished - 1981 Dec 1
Externally publishedYes

Keywords

  • Ground state
  • Mattis model
  • frustration
  • quantum effects
  • randomness

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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