Analyticity of ground states of the XY-model

Huzihiro Araki, Taku Matsui

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


Ground states of the XY-model obtained earlier are shown to depend analytically on parameters (λ, γ) of the model except at critical lines.

Original languageEnglish
Pages (from-to)87-94
Number of pages8
JournalLetters in Mathematical Physics
Issue number1
Publication statusPublished - Jan 1 1986
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics


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