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Marginal deformations of WZW models and the classical Yang-Baxter equation
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
Masaryk Univ, Dept Theoret Phys & Astrophys, Brno 61137, Czech Republic..
2019 (English)In: Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, E-ISSN 1751-8121, Vol. 52, no 22, article id 225401Article in journal (Refereed) Published
Abstract [en]

We show how so-called Yang-Baxter (YB) deformations of sigma models, based on an R-matrix solving the classical Yang-Baxter equation (CYBE), give rise to marginal current-current deformations when applied to the Wess-Zumino-Witten (WZW) model. For non-compact groups these marginal deformations are more general than the ones usually considered, since they can involve a non-Abelian current subalgebra. We classify such deformations of the AdS(3) x S-3 string.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2019. Vol. 52, no 22, article id 225401
Keywords [en]
Wess-Zumino-Witten model, marginal deformations, string on AdS(3), classical Yang-Baxter equation
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-252372DOI: 10.1088/1751-8121/ab1b9cISI: 000467293500001Scopus ID: 2-s2.0-85067313103OAI: oai:DiVA.org:kth-252372DiVA, id: diva2:1337960
Note

QC 20190718

Available from: 2019-07-18 Created: 2019-07-18 Last updated: 2019-07-18Bibliographically approved

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