N=1 Matter from Fractional Branes

Details N=1 Matter from Fractional Branes N=1 Matter from Fractional Branes

2002-08-21

arxiv.org/abs/hep-th/0208153v2

JHEP 0209:010,2002

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX 20 pages, 1 figure, small changes and references added

Scientific paper

10.1088/1126-6708/2002/09/010

We study a bound state of fractional D3-branes localized inside the world-volume of fractional D7-branes on the orbifold C^3/Z_2 x Z_2. We determine the open string spectrum that leads to N=1 U(N1)xU(N2)xU(N3)xU(N4) gauge theory with matter having the number of D7-branes as a flavor index. We derive the linearized boundary action of the D7-brane on this orbifold using the boundary state formalism and we discuss the tadpole cancellation. After computing the asymptotic expression of the supergravity solution the anomalies of the gauge theory are reproduced.

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