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Closed strings and moduli in AdS3/CFT2
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
2018 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 2018, no 5, article id 101Article in journal (Refereed) Published
Abstract [en]

String theory on AdS3 × S3 × T4 has 20 moduli. We investigate how the perturbative closed string spectrum changes as we move around this moduli space in both the RR and NSNS flux backgrounds. We find that, at weak string coupling, only four of the moduli affect the energies. In the RR background the only effect of these moduli is to change the radius of curvature of the background. On the other hand, in the NSNS background, the moduli introduce worldsheet interactions which enable the use of integrability methods to solve the spectral problem. Our results show that the worldsheet theory is integrable across the 20 dimensional moduli space.

Place, publisher, year, edition, pages
Springer, 2018. Vol. 2018, no 5, article id 101
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-228913DOI: 10.1007/JHEP05(2018)101ISI: 000432562900014Scopus ID: 2-s2.0-85047221330OAI: oai:DiVA.org:kth-228913DiVA, id: diva2:1211293
Funder
EU, European Research Council, 341222
Note

QC 20180530

Available from: 2018-05-30 Created: 2018-05-30 Last updated: 2018-06-13Bibliographically approved

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