Effect of Boundary Conditions on the Operator Content of Two-Dimensional Conformally Invariant Theories

1986
19 pages
Published in:
  • Nucl.Phys.B 275 (1986) 200-218
  • Published: 1986

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Abstract: (Elsevier)
The operator content of unitary conformally invariant theories with c <1 is further analysed by deriving the spectrum of the transfer matrix for finite width strips and a variety of boundary conditions: antiperiodic, cyclic, twisted, free, fixed and a mixture of the last two. Complete results are obtained for the Ising model and for the three-state Potts model, as illustrations of the method. They demonstrate how the internal symmetries of these theories are tied in with their conformal properties.
  • FIELD THEORY: TWO-DIMENSIONAL
  • INVARIANCE: CONFORMAL
  • BOUNDARY CONDITION
  • ALGEBRA: VIRASORO
  • OPERATOR: ALGEBRA
  • SUM RULE
  • STATISTICAL MECHANICS: ISING
  • MODEL: POTTS
  • STATISTICAL MECHANICS: TRANSFER MATRIX