On Multiloop Computations in Polyakov's String Theory
Nov, 198517 pages
Published in:
- Nucl.Phys.B 277 (1986) 332-348
- Published: 1986
Report number:
- CERN-TH-4327/85
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Abstract: (Elsevier)
Multi-loop calculations in closed bosonic string theory are considered using the Polyakov path-integral formalism. The functional determinants that enter the problem are evaluated to arbitrary string-loop order. It is demonstrated that various divergences arising in the definition of such determinants can be eliminated by appropriate renormalizations.- MODEL: STRING
- FIELD THEORY: HIGHER-DIMENSIONAL
- FIELD THEORY: PATH INTEGRAL
- PERTURBATION THEORY: HIGHER-ORDER
- RENORMALIZATION: REGULARIZATION
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