Spectrum of D = 6, N = 4b supergravity on AdS3 × S3

S. Deger, A. Kaya, E. Sezgin, P. Sundell

Research output: Contribution to journalArticlepeer-review

106 Citations (Scopus)

Abstract

The complete spectrum of D = 6, N = 4b supergravity with n tensor multiplets compactified on AdS3 × S3 is determined. The D = 6 theory obtained from the K3 compactification of Type IIB string requires that n = 21, but we let n be arbitrary. The superalgebra that underlies the symmetry of the resulting supergravity theory in AdS3 coupled to matter is SU(1, 1|2)L × SU(1, 1|2)R. The theory also has an unbroken global SO(4)R × SO(n) symmetry inherited from D = 6. The spectrum of states arranges itself into a tower of spin-2 supermultiplets, a tower of spin-1, SO(n) singlet supermultiplets, a tower of spin-1 supermultiplets in the vector representation of SO(n) and a special spin-1/2 supermultiplet also in the vector representation of SO(n). The SU(2)L × SU(2)R Yang-Mills states reside in the second level of the spin-2 tower and the lowest level of the spin-1, SO(n) singlet tower and the associated field theory exhibits interesting properties.

Original languageEnglish
Pages (from-to)110-140
Number of pages31
JournalNuclear Physics B
Volume536
Issue number1-2
DOIs
Publication statusPublished - 21 Dec 1998

Keywords

  • AdS supergravity
  • Compactification
  • Spectrum

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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