DDF operators in the hybrid formalism
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2022-12
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Journal Article
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Abstract
String theory with one unit of NS-NS flux on AdS$_3$ × S$^3$ × $\mathbb{T}$$^4$ has been recently realised to be the exact dual of the symmetric orbifold of $\mathbb{T}$$^4$. In the hybrid formalism of Berkovits, Vafa and Witten and using the free-field realisation of psu(1, 1|2)$_1$, the DDF operators of the free bosons and the free fermions of $\mathbb{T}$$^4$ are constructed. It is shown that these DDF operators reproduce the whole spectrum of the space-time theory on the world-sheet and therefore provide a derivation of the dual spectrum from first-principles.
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published
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2022 (12)
Pages / Article No.
43
Publisher
IOP Publishing
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Subject
AdS-CFT Correspondence; Conformal and W Symmetry; Conformal Field Models in String Theory
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03657 - Gaberdiel, Matthias / Gaberdiel, Matthias