Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-08-10
Prog.Theor.Phys.118:921-934,2007
Physics
High Energy Physics
High Energy Physics - Theory
16pages, no figures, PTPTeX, typos corrected, published version
Scientific paper
10.1143/PTP.118.921
The electric and magnetic dipole moments of dyon fermions are calculated within N=2 supersymmetric Yang-Mills theory including the theta-term. It is found, in particular, that the gyroelectric ratio deviates from the canonical value of 2 for the monopole fermion (n_m=1,n_e=0) in the case theta\not=0. Then, applying the S-duality transformation to the result for the dyon fermions, we obtain an explicit prediction for the electric dipole moment (EDM) of the charged fermion (`electron'). It is thus seen that the approach presented here provides a novel method for computing the EDM induced by the theta-term.
Kobayashi Makoto
Kugo Taichiro
Tokunaga Tatsuya
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