Dimensional Reduction over Coset Spaces and Supersymmetry Breaking

Details Dimensional Reduction over Coset Spaces and Supersymmetry Breaking Dimensional Reduction over Coset Spaces and Supersymmetry Breaking

2001-11-10

arxiv.org/abs/hep-ph/0111125v2

JHEP 0203:002,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

32 pages, misprints corrected, references added

Scientific paper

10.1088/1126-6708/2002/03/002

We address the question of supersymmetry breaking of a higher dimensional supersymmetric theory due to coset space dimensional reduction. In particular we study a ten-dimensional supersymmetric $E_{8}$ gauge theory which is reduced over all six-dimensional coset spaces. We find that the original supersymmetry is completely broken in the process of dimensional reduction when the coset spaces are symmetric. On the contrary softly broken four-dimensional supersymmetric theories result when the coset spaces are non-symmetric. From our analysis two promising cases are emerging which lead to interesting GUTs with three fermion families in four dimensions, one being non-supersymmetric and the other softly broken supersymmetric.

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