Localized tadpoles of anomalous heterotic U(1)'s

Details Localized tadpoles of anomalous heterotic U(1)'s Localized tadpoles of anomalous heterotic U(1)'s

2003-03-11

arxiv.org/abs/hep-th/0303101v1

Nucl.Phys.B665:236-272,2003

Physics

High Energy Physics

High Energy Physics - Theory

35 pages, LaTeX, with figures

Scientific paper

10.1016/S0550-3213(03)00501-7

We investigate the properties of localized anomalous U(1)'s in heterotic string theory on the orbifold T^6/Z_3. We argue that the local four dimensional and original ten dimensional Green-Schwarz mechanisms can be implemented simultaneously, making the theory manifestly gauge invariant everywhere, in the bulk and at the fixed points. We compute the shape of the Fayet-Iliopoulos tadpoles, and cross check this derivation for the four dimensional auxiliary fields by a direct calculation of the tadpoles of the internal gauge fields. Finally we study some resulting consequences for spontaneous symmetry breaking, and derive the profile of the internal gauge field background over the orbifold.

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