Superconformal mechanics, black holes, and non-linear realizations

Details Superconformal mechanics, black holes, and non-linear realizations Superconformal mechanics, black holes, and non-linear realizations

1998-10-28

arxiv.org/abs/hep-th/9810230v2

Phys.Rev. D59 (1999) 084015

Physics

High Energy Physics

High Energy Physics - Theory

19 pages, plain latex file. Slightly shortened version, two references added

Scientific paper

10.1103/PhysRevD.59.084015

The OSp(2|2)-invariant planar dynamics of a D=4 superparticle near the horizon of a large mass extreme black hole is described by an N=2 superconformal mechanics, with the SO(2) charge being the superparticle's angular momentum. The {\it non-manifest} superconformal invariance of the superpotential term is shown to lead to a shift in the SO(2) charge by the value of its coefficient, which we identify as the orbital angular momentum. The full SU(1,1|2)-invariant dynamics is found from an extension to N=4 superconformal mechanics.

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