Ralph Blumenhagen et al JHEP01(2003)021 doi:10.1088/1126-6708/2003/01/021
Supersymmetric Intersecting Branes on the Type IIA T6/
4 Orientifold
Ralph Blumenhagen1, Lars Görlich1 and Tassilo Ott1
Show affiliationsWe study supersymmetric intersecting D6-branes wrapping 3-cycles in the type-IIA T6/4 orientifold background. As a new feature, the 3-cycles in this orbifold space arise both from the untwisted and the 2 twisted sectors. We present an integral basis for the homology lattice, H3(M,), in terms of fractional 3-cycles, for which the intersection form involves the Cartan matrix of E8. We show that these fractional D6-branes can be used to construct supersymmetric brane configurations realizing a three generation Pati-Salam model. Via brane recombination processes preserving supersymmetry, this GUT model can be broken down to a standard-like model.
- Keywords
- PACS
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11.15.Ex Spontaneous breaking of gauge symmetries
- MSC
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81T30 String and superstring theories; other extended objects (e.g., branes) (See also 83E30)
- Subjects
- Dates
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Issue 01 (January 2003)
Received 22 November 2002, accepted for publication 13 January 2003
Published 7 February 2003
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Supersymmetric Intersecting Branes on the Type IIA T6/4 Orientifold
Ralph Blumenhagen et al JHEP01(2003)021
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