Non-local charges, Zm gradings and coset space actions

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39 Citations (Scopus)
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Abstract

The construction of flat currents, and hence conserved non-local charges, for the superstring on AdS_5 x S^5 is generalised. It is shown that such currents exist for sigma-model type actions on all coset (super-)spaces G/H in which, at the level of the Lie algebras, h is the grade-zero subspace of a Zm grading of g. This is true for an essentially unique choice of the Wess-Zumino term, which is determined
Original languageEnglish
Pages (from-to)559-565
JournalPhysical Letters B
Volume632
Issue number4
DOIs
Publication statusPublished - Jan 2006

Keywords

  • hep-th

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