N=4 superconformal mechanics as a Non linear Realization

Details N=4 superconformal mechanics as a Non linear Realization N=4 superconformal mechanics as a Non linear Realization

2006-07-19

arxiv.org/abs/hep-th/0607124v2

JHEP0610:068,2006

Physics

High Energy Physics

High Energy Physics - Theory

new subection, references added and new acknowledgments

Scientific paper

10.1088/1126-6708/2006/10/068

An action for a superconformal particle is constructed using the non linear realization method for the group PSU(1,1|2), without introducing superfields. The connection between PSU(1,1|2) and black hole physics is discussed. The lagrangian contains six arbitrary constants and describes a non-BPS superconformal particle. The BPS case is obtained if a precise relation between the constants in the lagrangian is verified, which implies that the action becomes kappa-symmetric.

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