Fayet-Iliopoulos Terms in 5D Orbifold Supergravity

Details Fayet-Iliopoulos Terms in 5D Orbifold Supergravity Fayet-Iliopoulos Terms in 5D Orbifold Supergravity

2004-05-11

arxiv.org/abs/hep-th/0405100v3

JHEP0409:001,2004

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, no figures; conclusion changed for the warped case

Scientific paper

10.1088/1126-6708/2004/09/001

We discuss a locally supersymmetric formulation for the boundary Fayet-Iliopoulos (FI) terms in 5-dimensional U(1) gauge theory on $S^1/Z_2$, using the four-form multiplier mechanism to introduce the necessary $Z_2$-odd FI coefficient. The physical consequence of the boundary FI terms is studied within the full supergravity framework. For both models giving a flat and a warped spacetime geometry, the only meaningful deformation of vacuum configuration induced by the FI terms is a kink-type vacuum expectation value of the vector multiplet scalar field which generate a 5D kink mass for charged hypermultiplet. This result for the four-form induced boundary FI terms is consistent with the one derived by the superfield formulation of 5D conformal supergravity.

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