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On the Critical Behavior of Two-dimensional Systems With Continuous Symmetries

Sep, 1985
11 pages
Published in:
  • Phys.Rev.Lett. 55 (1985) 1355
DOI:
Report number:
  • SACLAY-SPH-T-85-086
View in:
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Abstract: (APS)
Conformal invariance allows a complete classification of critical theories in two-dimensional systems with continuous symmetries. We study the spin-½ chain by non-Abelian bosonization to show how it fits into this classification.
  • FIELD THEORY: TWO-DIMENSIONAL
  • FIELD THEORY: CRITICAL PHENOMENA
  • STATISTICAL MECHANICS: TWO-DIMENSIONAL
  • STATISTICAL MECHANICS: CRITICAL PHENOMENA
  • SYMMETRY: INTERNAL
  • INVARIANCE: CONFORMAL
  • SPIN: 1/2
  • 1/2: SPIN
  • FIELD THEORY: NONABELIAN
  • FIELD THEORY: BOSONIZATION
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