Electric Dipole Moments of Dyon and 'Electron'(Particles and Fields)

概要

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The electric and magnetic dipole moments of dyon fermions are calculated within N=2 supersymmetric Yang-Mills theory including the θ-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 θ≠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 θ-term.
理論物理学刊行会の論文
2007-11-25