STRONG-COUPLING SINGULARITIES AND ENHANCED NON-ABELIAN GAUGE SYMMETRIES IN N=2 STRING THEORY

Authors
KLEMM A MAYR P
Citation
A. Klemm et P. Mayr, STRONG-COUPLING SINGULARITIES AND ENHANCED NON-ABELIAN GAUGE SYMMETRIES IN N=2 STRING THEORY, Nuclear physics. B, 469(1-2), 1996, pp. 37-50
Citations number
35
Categorie Soggetti
Physics, Nuclear
Journal title
Nuclear physics. B → ACNP
ISSN journal
05503213
Volume
469
Issue
1-2
Year of publication
1996
Pages
37 - 50
Database
ISI
SICI code
0550-3213(1996)469:1-2<37:SSAENG>2.0.ZU;2-Z
Abstract
We study a class of extremal transitions between topological distinct Calabi-Yau manifolds which have an interpretation in terms of the spec ial massless states of a type II string compactification. In those cas es where a dual heterotic description exists the exceptional massless states are due to genuine strong (string-) coupling effects. A new fea ture is the appearance of enhanced non-abelian gauge symmetries in the exact nonperturbative theory.