WULFF, Linus. Integrability of the superstring in AdS(3) xS(2) x S-2 x T-3. Journal of Physics A: Mathematical and Theoretical. BRISTOL: IOP PUBLISHING LTD, 2017, vol. 50, No 23, p. nestrankovano, 12 pp. ISSN 1751-8113. Available from: https://dx.doi.org/10.1088/1751-8121/aa70b5.
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Basic information
Original name Integrability of the superstring in AdS(3) xS(2) x S-2 x T-3
Authors WULFF, Linus (752 Sweden, guarantor, belonging to the institution).
Edition Journal of Physics A: Mathematical and Theoretical, BRISTOL, IOP PUBLISHING LTD, 2017, 1751-8113.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10303 Particles and field physics
Country of publisher United Kingdom of Great Britain and Northern Ireland
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 1.963
RIV identification code RIV/00216224:14310/17:00100356
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1088/1751-8121/aa70b5
UT WoS 000401336500001
Keywords in English string theory; sigma model; integrability
Tags NZ, rivok
Changed by Changed by: Ing. Nicole Zrilić, učo 240776. Changed: 5/4/2018 14:57.
Abstract
Type II supergravity admits an AdS(3) x S-2 x S-2 x T-3 solution with fluxes depending on several free parameters. We determine the constraints on these parameters imposed by the requirement of (classical) integrability of the superstring sigma model. To do this we analyze the low-energy effective action for the spinning GKP string. The absence of particle production in the tree-level S-matrix of bosonic excitations is shown to imply the vanishing of two of the four parameters in the NSNS three-form flux. This reduces the supergravity background to either the one-parameter AdS(3) x S-2 x S-2 x T-3 background preserving eight supersymmetries, or a non-supersymmetric branch, which differs only by flipping a sign in the RR flux. We show that both these branches can be obtained from AdS(3) x S-3 x S-3 x S-1 by T-dualities on the (Hopf) circle fibers of the three-spheres and therefore the integrability of the string in these backgrounds follows.
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