Nondegenerate Super-Anti-de Sitter Algebra and a Superstring Action
Machiko Hatsuda, Kiyoshi Kamimura, Makoto Sakaguchi
TL;DR
This paper develops a nondegenerate superspace AdS algebra and constructs a covariant superstring action that reduces to the Green-Schwarz form in flat space, with dynamical fermionic coordinates in AdS.
Contribution
It introduces a novel nondegenerate superspace AdS algebra and formulates a superstring action with unique dynamical properties in AdS backgrounds.
Findings
Superstring action reduces to Green-Schwarz form in flat limit
Auxiliary fermionic coordinates become dynamical in AdS
Constructs a covariant kappa-symmetric superstring action
Abstract
We construct an Anti-de Sitter(AdS) algebra in a nondegenerate superspace. Based on this algebra we construct a covariant kappa-symmetric superstring action, and we examine its dynamics: Although this action reduces to the usual Green-Schwarz superstring action in flat limit, the auxiliary fermionic coordinates of the nondegenerate superspace becomes dynamical in the AdS background.
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