Nonlinear Realization of N=2 Superconformal Symmetry and Brane Effective Actions

Details Nonlinear Realization of N=2 Superconformal Symmetry and Brane Effective Actions Nonlinear Realization of N=2 Superconformal Symmetry and Brane Effective Actions

2008-02-10

arxiv.org/abs/0802.1299v3

Eur.Phys.J.C62:615-623,2009

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, more references and comments are added

Scientific paper

10.1140/epjc/s10052-009-1049-4

Due to the incompatibility of the nonlinear realization of superconformal symmetry and dilatation symmetry with the dilaton as the compensator field, in the present paper it shows an alternative mechanism of spontaneous breaking the N=2 superconformal symmetry to the N=0 case. By using the approach of nonlinear transformations it is found that it leads to a space-filling brane theory with Weyl scale W(1,3) symmetry. The dynamics of the resulting Weyl scale invariant brane, along with that of other Nambu-Goldstone fields, is derived in terms of the building blocks of the vierbein and the covariant derivative from the Maurer-Cartan oneforms. A general coupling of the matter fields localized on the brane world volume to these NG fields is also constructed.

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