Volume 49, Number 3, February I 2000
|Page(s)||296 - 301|
|Section||The physics of elementary particles and fields|
|Published online||01 September 2002|
GUTs and string-GUTs
Department of Physics, University of Maryland, College
Park - MD 20742 USA
2 Departamento de Física, Centro de Investigación y de Estudios Avanzados del I.P.N. Apdo. Postal 14-740, 07000, México, D.F., México
3 Departamento de Física, Universidad de Antioquia - A.A. 1226, Medellín, Colombia
Accepted: 22 November 1999
We look for a connection between string theories and Grand Unified Theories (GUTs), with the aim to look for new insights in the existing four dimensional string-GUT problems. We argue that the construction of consistent string-GUT models could require the use of non-canonical affine levels. We list the most common level values related to realistic GUTs.
PACS: 11.25.Mj – Compactification and four-dimensional models / 12.10.-g – Unified field theories and models / 12.10.Kt – Unification of couplings; mass relations
© EDP Sciences, 2000
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