SUSY Breaking by Stable non-BPS Walls

Details SUSY Breaking by Stable non-BPS Walls SUSY Breaking by Stable non-BPS Walls

2001-09-11

arxiv.org/abs/hep-th/0109087v1

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, talk at the 10th Tohwa international symposium on string theory July 3--7,2001, to appear in the proceedings

Scientific paper

10.1063/1.1454375

A new simple mechanism for SUSY breaking is proposed due to the coexistence of BPS domain walls. It is assumed that our world is on a BPS domain wall and that the other BPS wall breaks the SUSY preserved by our wall. This mechanism requires no messenger fields nor complicated SUSY breaking sector on any of the walls. We obtain an ${\cal N}=1$ model in four dimensions which has an exact solution of a stable non-BPS configuration of two walls. We propose that the overlap of the wave functions of the N-G fermion and those of physical fields provides a practical method to evaluate SUSY breaking mass splitting on our wall thanks to a low-energy theorem. This is based on our recent works hep-th/0009023 and hep-th/0107204.

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