2018
DOI: 10.1103/physrevd.98.021901
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Classical Yang-Baxter equation from supergravity

Abstract: We promote the open-closed string map, originally formulated by Seiberg & Witten, to a solution generating prescription in generalized supergravity. The approach hinges on a knowledge of an antisymmetric bivector Θ, built from antisymmetric products of Killing vectors, which is specified by the equations of motion. In the cases we study, the equations of motion reproduce the classical Yang-Baxter equation (CYBE) and Θ is the most general r-matrix solution. Our work generalizes Yang-Baxter deformations to non-c… Show more

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Cited by 40 publications
(82 citation statements)
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References 71 publications
(121 reference statements)
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“…• It would be highly desirable to confirm our projector formula in a different framework, independent of Abelian T-duality. A natural setting could be the susy variations in β-supergravity recently discussed in [39].…”
Section: Discussionmentioning
confidence: 99%
“…• It would be highly desirable to confirm our projector formula in a different framework, independent of Abelian T-duality. A natural setting could be the susy variations in β-supergravity recently discussed in [39].…”
Section: Discussionmentioning
confidence: 99%
“…In fact, at two loops in the scheme of KM also b µν gets modified. 16 It is important to remark that already 14 The field redefinitions given in [45] relate the KM and the MT schemes only on-shell, but this is enough for our purposes, since we just want to make sure that we can generate solutions of the two-loop equations. 15 These are the redefinitions needed when we set the parameter q of [37] to zero.…”
Section: )mentioning
confidence: 99%
“…Therefore, in certain cases a sequence of TsT transformations can be implemented only in one precise order. Non-commuting sequences of TsT transformations are nice examples to study, because we can obtain explicit results by applying what is known about abelian T-duality and TsT, and at the same time be able to say something about NATD and more general YB deformations.In the remaining part of the introduction, we will summarize the main results obtained when expanding the two-loop equations to second order in the deformation parameter.2 These rules were first guessed, at the supergravity level and restricted to the case of vanishing NSNS flux, in [15] (see also [16]). 3 Note however that the form of the α ′ -corrections are only know in special cases and to low loop order, e.g.…”
mentioning
confidence: 99%
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“…is sufficient for the deformed fields G, B to be a solution of supergravity [22,23]. This allows to view the transformation (1.1) as a supergravity solution generating method, valid for generic spacetimes with isometries [24,25]. The reason that the classical Yang-Baxter equation (1.2) is instrumental in the d = 10 deformation prescription is ultimately that the two-dimensional string worldsheet theory exists behind the scenes of the supergravity approximation.…”
Section: Introductionmentioning
confidence: 99%