On the Gauge Fixing of the k Symmetry

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  • 31 December 1999
Abstract
We explore all the possible ways of fixing the \kappa symmetry for both branes and strings by means of a constant projector. We find that there exists an interesting class of projectors for which vielbein are at most quadratic in the fermionic variables. As an example we compute the action for the type IIb on a AdS_{5} X S_{5} background with a lightcone-like projector; this action reduces to the usual lightcone GS string action in the flat limit.

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