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New developments in the quantization of supersymmetric solitons (kinks, vortices and monopoles) | | Anton Rebhan
; Peter van Nieuwenhuizen
; Robert Wimmer
; | | Date: |
28 Apr 2004 | | Journal: | Braz.J.Phys. 34 (2004) 1273-1287 | | Subject: | hep-th | | Abstract: | We discuss the one-loop quantum corrections to the mass M and central charge Z of supersymmetric solitons: the kink, the vortex and the monopole. Contrary to previous expectations and published results, in each of these cases there are nonvanishing quantum corrections to the mass. For the N=1 kink and the N=2 monopole a new anomaly in Z rescues BPS saturation (M=Z); for the N=2 vortex, BPS saturation is rescued for two reasons: (i) the quantum fluctuations of the Higgs field acquire a nontrivial phase due to the winding of the classical solution, and (ii) a fermionic zero mode used in the literature is shown not to be normalizable. | | Source: | arXiv, hep-th/0404223 | | Services: | Forum | Review | PDF | Favorites | |
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