Central Charges in Non(anti)commutative N=2 Supersymmetric U(N) Gauge Theory
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We study the central charge of the deformed N=(1,0) supersymmetry algebra in non(anti)commutative N=2 supersymmetric U(N) gauge theory. In the cases of N=1/2 superspace and N=2 harmonic superspace with the singlet deformation, we find that the central charge is deformed by the non(anti)commutative parameters but depends on the electric and magnetic charges. For generic deformation of N=2 harmonic superspace, we compute the O(C) correction to the central charges in the case of U(1) gauge group.
13 pages, No figure, v2:minor corrections, references added
13 pages, No figure, v2:minor corrections, references added