Central Extensions of Supersymmetry in Four and Three Dimensions

Details Central Extensions of Supersymmetry in Four and Three Dimensions Central Extensions of Supersymmetry in Four and Three Dimensions

1997-11-16

arxiv.org/abs/hep-th/9711116v2

Phys.Lett.B423:255-260,1998

Physics

High Energy Physics

High Energy Physics - Theory

11 pages. Sections 2 and 4 expanded, misprints corrected, references added

Scientific paper

10.1016/S0370-2693(97)01586-4

We consider the maximal central extension of the supertranslation algebra in d=4 and 3, which includes tensor central charges associated to topological defects such as domain walls (membranes) and strings. We show that for all N-extended superalgebras these charges are related to nontrivial configurations on the scalar moduli space. For N=2 theories obtained from compactification on Calabi-Yau threefolds, we give an explicit realization of the moduli-dependent charges in terms of wrapped branes.

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