Phase transitions in the one-dimensional spin-SJ1J2XY model

P. Lecheminant, T. Jolicoeur, and P. Azaria
Phys. Rev. B 63, 174426 – Published 10 April 2001
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Abstract

The one-dimensional spin-SJ1J2XY model is studied within the bosonization approach. Around the two limits (J2/J11,J2/J11) where a field theoretical analysis can be derived, we discuss the phases as well as the different phase transitions that occur in the model. In particular, it is found that the chiral critical spin nematic phase, discovered by Nersesyan et al. [Phys. Rev. Lett. 81, 910 (1998)] for S=1/2, exists in the general spin-S case. The nature of the effective-field theory that describes the transition between this chiral critical phase and a chiral gapped phase is also determined.

  • Received 25 July 2000

DOI:https://doi.org/10.1103/PhysRevB.63.174426

©2001 American Physical Society

Authors & Affiliations

P. Lecheminant1, T. Jolicoeur2, and P. Azaria3

  • 1Laboratoire de Physique Théorique et Modélisation, Université de Cergy Pontoise, 5 Mail Gay-Lussac, Neuville sur Oise, 95301 Cergy Pontoise Cedex, France
  • 2Laboratoire de Physique de la Matière Condensée, Ecole Normale Supérieure, 24 rue Lhomond, 75005 Paris, France
  • 3Laboratoire de Physique Théorique des Liquides, Université Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris, France

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Issue

Vol. 63, Iss. 17 — 1 May 2001

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