On the Nonlinear Realization of the Superconformal Symmetry
Abstract
The nonlinear realization of the superconformal symmetry in two dimensions is considered. The superconformal symmetry is realized by means of dimension -1/2\ Nambu-Goldstone fermion \ and its dimension 3/2 conjugate η. A matter coupling of these Nambu- Goldstone fermions reproduce the realization found by Berkovits and Vafa to show the equivalence between the bosonic string and a N=1\ superstring. This indicates that this equivalence is a result of the super Higgs mechanism as a two dimensional field theory, in which the NG fermions become unphysical.
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