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Notes on beta-deformations of the pure spinor superstring in AdS(5) x S-5
(Elsevier B.V., 2014)
Worldsheet four-point functions in AdS3/CFT2
(Springer, 2011-01)
We calculate some extremal and non-extremal four-point functions on the sphere of certain chiral primary operators for strings on AdS 3×S3×T4. The computation is done for small values of the spacetime cross-ratio where ...
Cornering the unphysical vertex
(Springer, 2013)
Constrained BV description of string field theory
(Springer, 2012-03-01)
In the conventional BV description of string field theory, the string field Phi is split as Phi = Psi vertical bar Psi* where Psi includes all states with ghost number <= G and describes the spacetinte fields, and Psi* ...
A note on the classical BRST symmetry of the pure spinor string in a curved background
(Scuola Internazionale Superiore di Studi Avanzati (SISSA) [Associate Organisation] Springer Verlag [Commercial Publisher], 2006-07)
The classical pure spinor version of the heterotic superstring in a supergravity and super Yang-Mills background is considered. We obtain the BRST transformations of the world-sheet fields. They are consistent with the ...
A new limit of the AdS(5) x S-5 sigma model
(Springer, 2007-08-01)
Using the pure spinor formalism, a quantizable sigma model has been constructed for the superstring in an AdS(5) X S-5 background with manifest PSU(2,2 vertical bar 4) invariance. The PSU(2,2 vertical bar 4) metric g(AB) ...
Topological string on OSP(1|2)/U(1)
(Springer, 2009-12)
We propose an equivalence between topological string on OSP(1|2)/U(1) and Ĉ ≥ 1 superstring with = 1 world-sheet supersymmetry. We examine this by employing a free field representation of OSP(1|2) WZNW model and find an ...
Towards a worldsheet derivation of the Maldacena conjecture
(American Institute of Physics (AIP), 2008-01-01)
A U(2,2 vertical bar 4)-invariant A-model constructed from fermionic superfields has recently been proposed as a sigma model for the superstring on AdS(5) X S(5). After explaining the relation of this A-model with the pure ...
Current-current deformations, conformal integrals and correlation functions
(Springer, 2020-04)
Motivated by the recent work on TT¯ -type deformations of 2D CFTs, a especial class of single-trace deformations of AdS3/CFT2 correspondence has been investigated. From the worldsheet perspective, this corresponds to a ...
Constrained BV description of string field theory
(Springer, 2013)