Supersymmetry Breaking by Dimensional Reduction over Coset Spaces

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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latex, 13 pages, version to be published in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(01)00268-4

We study the dimensional reduction of a ten-dimensional supersymmetric E_8 gauge theory over six-dimensional coset spaces. We find that the coset space dimensional reduction over a symmetric coset space leaves the four dimensional gauge theory without any track of the original supersymmetry. On the contrary the dimensional reduction over a non symmetric coset space leads to a softly broken supersymmetric gauge theory in four dimensions. The SO_7/SO_6 and G_2/SU(3) are used as representative prototypes of symmetric and non symmetric coset spaces respectively.

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