String Theory on and Symmetric Products

Argurio, Riccardo; Giveon, Amit; Shomer, Assaf

doi:10.1002/1521-3978(200105)49:4/6<409::aid-prop409>3.0.co;2-i

Cited by 2 publications

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“…On the other hand, our space-time theories have a Virasoro symmetry with central charge c st ≃ 1/g 2 s (see the next section) and affine symmetries with level k st ≃ 1/g 2 s . Hence, it seems that the dual space-time theory has the properties of an holomorphic CF T 2 with a large central charge -closely related to the symmetric product duals to string theory on AdS 3 , as follows from the facts in appendix B and the study in [29,30] -rather than one of the known CF T 1 's discussed above.…”

Section: Bosonic String Theory On Ebh × Nmentioning

confidence: 95%

“…(3.5) of[8]. The construction of physical vertex operators in these theories is a straightforward generalization of the discussion in AdS 3 × N[8,29,30] and the previous subsection, with the gauge condition (4.2), the appropriate mass shell condition, other physical conditions and GSO projection applied.4.3. Heterotic String Theory on EBH × NIn the heterotic string on EBH × N we consider the superconformal extension of of EBH, and embed it such that the right-moving SCFT is part of the fermionic sector, while the left-moving SCFT is part of the bosonic sector.…”

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Strings in a 2-d Extremal Black Hole

Giveon

Sever

2005

J. High Energy Phys.

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String theory on 2-d charged black holes corresponding to SL(2)×U(1) L U(1)exact asymmetric quotient CFTs are investigated. These backgrounds can be embedded, in particular, in a two dimensional heterotic string. In the extremal case, the quotient CFT description captures the near horizon physics, and is equivalent to strings in AdS 2 with a gauge field. Such string vacua possess an infinite space-time Virasoro symmetry, and hence enhancement of global space-time Lie symmetries to affine symmetries, in agreement with the conjectured AdS 2 /CF T 1 correspondence. We argue that the entropy of these 2-d black holes in string theory is compatible with semi-classical results, and show that in perturbative computations part of an incoming flux is absorbed by the black hole. Moreover, on the way we find evidence that the 2-d heterotic string is closely related to the N = (2, 1) string, and conjecture that they are dual [1]. 07/04

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Section: Bosonic String Theory On Ebh × Nmentioning

confidence: 95%

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confidence: 98%

Strings in a 2-d Extremal Black Hole

Giveon

Sever

2005

J. High Energy Phys.

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Free field realization of superstring theory on AdS3

Hofman

Núñez

2004

J. High Energy Phys.

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The Coulomb gas representation of expectation values in SU (2) conformal field theory developed by Dotsenko is extended to the SL(2, R) WZW model and applied to bosonic string theory on AdS 3 and to Type II superstrings on AdS 3 × N . The spectral flow symmetry is included in the free field realization of vertex operators creating superstring states of both Ramond and Neveu-Schwarz sectors. Conjugate representations for these operators are constructed and a background charge prescription is designed to compute correlation functions. Two and three point functions of bosonic and fermionic string states in arbitrary winding sectors are calculated. Scattering amplitudes that violate winding number conservation are also discussed.

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String Theory on and Symmetric Products

Cited by 2 publications

References 40 publications

Strings in a 2-d Extremal Black Hole

Strings in a 2-d Extremal Black Hole

Free field realization of superstring theory on AdS3

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