Superstring Threshold Corrections to Yukawa Couplings

Preprint

7 December 1992

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-th/9212045

Abstract

A general method of computing string corrections to the K\"ahler metric and Yukawa couplings is developed at the one-loop level for a general compactification of the heterotic superstring theory. It also provides a direct determination of the so-called Green-Schwarz term. The matter metric has an infrared divergent part which reproduces the field-theoretical anomalous dimensions, and a moduli-dependent part which gives rise to threshold corrections in the physical Yukawa couplings. Explicit expressions are derived for symmetric orbifold compactifications.

Keywords

SUPERSTRING THRESHOLD
THRESHOLD CORRECTIONS
STRING CORRECTIONS
COMPUTING STRING
COMPACTIFICATION
YUKAWA COUPLINGS

All Related Versions

Version 1, 1992-12-07, ArXiv
Published version: Nuclear Physics B, 407 (3), 706.

This publication has 0 references indexed in Scilit: