Conformal Anomaly in Two-Dimensional Sigma Model on Curved Background and Strings
May, 19867 pages
Published in:
- Phys.Lett.B 178 (1986) 34
- Published: 1986
Report number:
- LEBEDEV-86-144
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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
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