THE SUPERBRANCH POINTS AND TWO-LOOP CORRECTION IN THE HETEROTIC STRING THEORY-Reference-Cited by-同舟云学术

THE SUPERBRANCH POINTS AND TWO-LOOP CORRECTION IN THE HETEROTIC STRING THEORY

Published:1988-01 Issue:01 Volume:03 Page:91-108
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

Bershadsky M.¹

Affiliation:

1. Landau Institute of Theoretical Physics, Kosygina 2, Moscow, USSR

Abstract

In this paper we discuss the notion of superbranch point. The conformal field simulating the superbranch point is constructed. Using this field we construct the two-loop correction in the heterotic string theories (for the theories with gauge groups SO (32) and E8×E8). The contribution from different spin structures cancel each other but only up to the total derivative over the moduli space.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732388000131

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