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순수물리이론 연구단
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Homogeneous Yang-Baxter deformations as generalized diffeomorphisms

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Title
Homogeneous Yang-Baxter deformations as generalized diffeomorphisms
Author(s)
Jun-ichi Sakamoto; Yuho Sakatani; Kentaroh Yoshida
Publication Date
2017-10
Journal
Journal of Physics A-Mathematical and Theoretical, v.50, no.41, pp.415401 -
Publisher
IOP PUBLISHING LTD
Abstract
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. © 2017 IOP Publishing Ltd Printed in the UK
URI
https://pr.ibs.re.kr/handle/8788114/4109
ISSN
1751-8113
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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