Wess-Zumino Term for the AdS Superstring and Generalized Inonu-Wigner Contraction
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Publication:4814061
DOI10.1143/PTP.109.853zbMATH Open1059.81150arXivhep-th/0106114MaRDI QIDQ4814061
Author name not available (Why is that?)
Publication date: 7 September 2004
Published in: (Search for Journal in Brave)
Abstract: We examine a Wess-Zumino term, written in bilinear of superinvariant currents, for a superstring in anti-de Sitter (AdS) space. The standard Inonu-Wigner contraction does not give the correct flat limit but gives zero. This originates from the fact that the fermionic metric of the super-Poincare group is degenerate. We propose a generalization of the Inonu-Wigner contraction which reduces the super-AdS group to the "nondegenerate" super-Poincare group, therefore it gives a correct flat limit of this Wess-Zumino term. We also discuss the M-algebra obtained by this generalized Inonu-Wigner contraction from osp(1|32).
Full work available at URL: https://arxiv.org/abs/hep-th/0106114
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