Conformal Anomaly in Two-Dimensional Sigma Model on Curved Background and Strings

May, 1986
7 pages
Published in:
  • Phys.Lett.B 178 (1986) 34
  • Published: 1986
Report number:
  • LEBEDEV-86-144

Citations per year

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Abstract: (Elsevier)
The expression for the Weyl anomaly in a generalized bosonic sigma-model defined on a curved two-space is derived. The conditions on “ β functions” implying the vanishing of the anomaly are discussed in connection with string-theory effective equations.
  • FIELD THEORETICAL MODEL: SIGMA
  • NONLINEAR
  • FIELD THEORY: TWO-DIMENSIONAL
  • FIELD THEORY: SPACE-TIME
  • ANOMALY: CONFORMAL
  • FIELD THEORY: PATH INTEGRAL
  • RENORMALIZATION: REGULARIZATION