Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-06-02
JHEP0609:026,2006
Physics
High Energy Physics
High Energy Physics - Theory
27 pages. V2: discussion and references added, published version
Scientific paper
10.1088/1126-6708/2006/09/026
We present a renormalizable 4-dimensional SU(N) gauge theory with a suitable multiplet of scalar fields, which dynamically develops extra dimensions in the form of a fuzzy sphere S^2. We explicitly find the tower of massive Kaluza-Klein modes consistent with an interpretation as gauge theory on M^4 x S^2, the scalars being interpreted as gauge fields on S^2. The gauge group is broken dynamically, and the low-energy content of the model is determined. Depending on the parameters of the model the low-energy gauge group can be SU(n), or broken further to SU(n_1) x SU(n_2) x U(1), with mass scale determined by the size of the extra dimension.
Aschieri Paolo
Grammatikopoulos Theodoros
Steinacker Harold
Zoupanos George
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