D-branes at singularities, compactification, and hypercharge

Matthew Buican; Dmitry Malyshev; David R. Morrison; Herman Verlinde; Martijn Wijnholt

doi:10.1088/1126-6708/2007/01/107

D-branes at singularities, compactification, and hypercharge

Matthew Buican, Dmitry Malyshev, David R. Morrison, Herman Verlinde, Martijn Wijnholt

Physics

Research output: Contribution to journal › Article › peer-review

104 Scopus citations

Abstract

We report on progress towards the construction of SM-like gauge theories on the world-volume of D-branes at a Calabi-Yau singularity. In particular, we work out the topological conditions on the embedding of the singularity inside a compact CY threefold, that select hypercharge as the only light U(1) gauge factor. We apply this insight to the proposed open string realization of the SM of hep-th/0508089, based on a D3-brane at a dP₈ singularity, and present a geometric construction of a compact Calabi-Yau threefold with all the required topological properties.

Original language	English (US)
Article number	107
Journal	Journal of High Energy Physics
Volume	2007
Issue number	1
DOIs	https://doi.org/10.1088/1126-6708/2007/01/107
State	Published - Jan 1 2007

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

Keywords

D-branes
Intersecting branes models
Superstring vacua

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10.1088/1126-6708/2007/01/107

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AU - Morrison, David R.

AU - Verlinde, Herman

AU - Wijnholt, Martijn

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AB - We report on progress towards the construction of SM-like gauge theories on the world-volume of D-branes at a Calabi-Yau singularity. In particular, we work out the topological conditions on the embedding of the singularity inside a compact CY threefold, that select hypercharge as the only light U(1) gauge factor. We apply this insight to the proposed open string realization of the SM of hep-th/0508089, based on a D3-brane at a dP8 singularity, and present a geometric construction of a compact Calabi-Yau threefold with all the required topological properties.

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KW - Intersecting branes models

KW - Superstring vacua

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D-branes at singularities, compactification, and hypercharge

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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