Multiloop Calculations in Covariant Superstring Theory

Verlinde, Erik P.; Verlinde, Herman L.

doi:10.1016/0370-2693(87)91148-8

Multiloop Calculations in Covariant Superstring Theory

Erik P. Verlinde
(
- Utrecht U.
)
,
Herman L. Verlinde
(
- Utrecht U.
)

Jan, 1987

8 pages

Published in:

Phys.Lett.B 192 (1987) 95-102

Published: 1987

DOI:

10.1016/0370-2693(87)91148-8

Report number:

Print-87-0133 (UTRECHT)

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Abstract: (Elsevier)

We give an explicit construction of the superstring multiloop amplitudes in terms of theta functions. We analyse the correlation functions of the space-time supersymmetry current and find that these contain unphysical poles. Using BRST-invariance we show that these poles have no physical effect for on-shell amplitudes, and that the partition functions is given by a total derivative on moduli space.

MODEL: STRING
SUPERSYMMETRY
SCATTERING AMPLITUDE
PERTURBATION THEORY: HIGHER-ORDER
INVARIANCE: BECCHI-ROUET-STORA
FIELD THEORY: PARTITION FUNCTION
MATHEMATICAL METHODS: ANALYTIC PROPERTIES

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