Connes' Gauge Theory on Noncommutative Space-Times

Details Connes' Gauge Theory on Noncommutative Space-Times Connes' Gauge Theory on Noncommutative Space-Times

2000-11-10

arxiv.org/abs/hep-th/0011080v1

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX file, 20 pages

Scientific paper

Connes' gauge theory is defined on noncommutative space-times. It is applied to formulate a noncommutative Glashow-Weinberg-Salam (GWS) model in the leptonic sector. It is shown that the model has two Higgs doublets and the gauge bosons sector after the Higgs mechanism contains the massive charged gauge fields, two massless and two massive neutral gauge fields. It is also shown that, in the tree level, the neutrino couples to one of two `photons', the electron interacts with both `photons' and there occurs a nontrivial $\nu_R$-interaction on noncommutative space-times. Our noncommutative GWS model is reduced to the GWS theory in the commutative limit. Thus in the neutral gauge bosons sector there are only one massless photon and only one $Z^0$ in the commutative limit.

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