Tachyon Condensation for Intersecting Branes at Small and Large Angles

Details Tachyon Condensation for Intersecting Branes at Small and Large Angles Tachyon Condensation for Intersecting Branes at Small and Large Angles

2003-11-20

arxiv.org/abs/hep-th/0311182v4

Fortsch.Phys.52:367-387,2004

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, 4 figures; references added; one definition clarified

Scientific paper

10.1002/prop.200310126

We review the worldsheet analysis for intersecting branes with focus on small and large angles. For small angles, we review the Yang-Mills fluctuation analysis in hep-th/0303204 and find an additional family of massless modes. They are the components of a Goldstone scalar corresponding to the spontaneously broken U(2)-gauge symmetry. For branes at large angles, we derive an effective tachyon field theory from BSFT results. We show how the gauge symmetry of this system implies a mass spectrum which is consistent with the worldsheet analysis.

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