On the equivalence between SRS and PCO formulations of superstring perturbation theory - INSPIRE

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On the equivalence between SRS and PCO formulations of superstring perturbation theory

May 2, 2022

30 pages

Published in:

JHEP 03 (2023) 139

Published: Mar 20, 2023

e-Print:

2205.01106 [hep-th]

DOI:

10.1007/JHEP03(2023)139

View in:

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Abstract: (Springer)

We establish the equivalence between two formulations of superstring perturbation theory, one based on integration over the supermoduli space of super Riemann surfaces (SRS), the other based on integration over the bosonic moduli space with insertions of picture changing operators (PCO) on the worldsheet and the vertical integration prescription, by showing how the latter arises from a specific construction of the supermoduli integration contour.

Note:

29 pages, 3 figures; minor revision, reference added

Superstrings and Heterotic Strings
Scattering Amplitudes
superstring
perturbation theory
moduli space
Riemann surface

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Figures(4)

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