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The No-ghost Theorem for AdS_3 and the Stringy Exclusion Principle

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arxiv hep-th/9806024 v2 pith:7HRY5CYM submitted 1998-06-03 hep-th

classification hep-th
keywords exclusionno-ghostprinciplestringytheorembosoniccompletecorresponds
verification ladder T0 review T1 audit T2 compute T3 formal

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A complete proof of the No-ghost Theorem for bosonic and fermionic string theories on AdS_3, or the group manifold of SU(1,1), is given. It is then shown that the restriction on the spin (in terms of the level) that is necessary to obtain a ghost-free spectrum corresponds to the stringy exclusion principle of Maldacena and Strominger.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Non-supersymmetric strings on AdS$_3$: a world-sheet perspective

    hep-th 2025-12 conditional novelty 6.0 of 10

    On AdS3×S3×S3×S1, a Wilson-line deformation of the Spin(16)×Spin(16)⋊Z2 heterotic string produces a level-matched tachyon, so the classical moduli space contains unstable regions.

  2. Symmetric orbifold OPE from string theory

    hep-th 2025-04 conditional novelty 6.0 of 10

    The worldsheet OPE of delta-function vertex operators in AdS3 string theory captures the longest single-cycle term of the symmetric orbifold OPE, with shorter cycles generated by screening operators.

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