期刊
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
卷 50, 期 41, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1751-8121/aa8896
关键词
superstring theory; double field theory; Yang-Baxter deformation
资金
- Japan Society for the Promotion of Science (JSPS)
- Supporting Program for Interaction-based Initiative Team Studies (SPIRITS) from Kyoto University
- JSPS [15K05051]
- JSPS
- Grants-in-Aid for Scientific Research [15K05051, 16J10110] Funding Source: KAKEN
- Ministry of Science & ICT (MSIT), Republic of Korea [IBS-R018-D1-2017-A00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Yang-Baxter (YB) deformations of string sigma model provide deformed target spaces. We propose that homogeneous YB deformations always lead to a certain class of beta-twisted backgrounds and represent the bosonic part of the supergravity fields in terms of the classical r-matrix associated with the YB deformation. We then show that various beta-twisted backgrounds can be realized by considering generalized diffeomorphisms in the undeformed background. Our result extends the notable relation between the YB deformations and (non-commuting) TsT transformations. We also discuss more general deformations beyond the YB deformations.
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