Bifurcation at the (formula presented) takhtajan-babujian point to the (formula presented) critical line

Atsuhiro Kitazawa, Kiyohide Nomura

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We study the (Formula presented) quantum spin chains with bilinear, biquadratic, plus bond alternation in the vicinity of the (Formula presented) Takhtajan-Babujian model. Transition line between the Haldane and the dimer phases is determined numerically. To see the crossover behavior from (Formula presented) SU(2) Weiss-Zumino-Witten (WZW) model] at the Takhtajan-Babujian point to (Formula presented) SU(2) WZW model], we calculate the conformal anomaly c and scaling dimensions of the primary fields on the transition line.

Original languageEnglish
Pages (from-to)11358-11366
Number of pages9
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume59
Issue number17
DOIs
Publication statusPublished - Jan 1 1999

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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