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Diversity in the tail of the intersecting brane landscape

Author(s)
Rosenhaus, Vladimir; Taylor, Washington
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Abstract
Techniques are developed for exploring the complete space of intersecting brane models on an orientifold. The classification of all solutions for the widely-studied T[superscript 6]/Z[subscript 2] × Z[subscript 2] orientifold is made possible by computing all combinations of branes with negative tadpole contributions. This provides the necessary information to systematically and efficiently identify all models in this class with specific characteristics. In particular, all ways in which a desired group G can be realized by a system of intersecting branes can be enumerated in polynomial time. We identify all distinct brane realizations of the gauge groups SU(3) × SU(2) and SU(3) × SU(2) × U(1) which can be embedded in any model which is compatible with the tadpole and SUSY constraints. We compute the distribution of the number of generations of ''quarks'' and find that 3 is neither suppressed nor particularly enhanced compared to other odd generation numbers. The overall distribution of models is found to have a long tail. Despite disproportionate suppression of models in the tail by K-theory constraints, the tail of the distribution contains much of the diversity of low-energy physics structure.
Date issued
2009-06
URI
http://hdl.handle.net/1721.1/88564
Department
Massachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics
Journal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Rosenhaus, Vladimir, and Washington Taylor. “Diversity in the Tail of the Intersecting Brane Landscape.” Journal of High Energy Physics 2009, no. 06 (June 1, 2009): 073–073.
Version: Original manuscript
ISSN
1029-8479
1126-6708

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