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Polyvector deformations in eleven-dimensional supergravity
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abstract
We consider 3- and 6-vector deformations of 11-dimensional supergravity backgrounds of the form $M_5\times M_6$ admitting at least 3 Killing vectors. Using flux formulation of the E${}_{6(6)}$ exceptional field theory we derive (sufficient) conditions for the deformations to generate a solution. In the group manifold case these generalisations of the classical Yang-Baxter equation for the case of r-matrices with 3 and 6 indices are shown to reproduce those obtained from exceptional Drinfeld algebra for E${}_{6(6)}$. In general we see an additional constraint, which might be related to higher exceptional Drinfeld algebras.
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Cited by 1 Pith paper
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On integrability of tri-vector deformed Type II string
Poincaré sections and Lyapunov exponents for particular string embeddings survive tri-vector deformation of AdS4 times CP3, indicating possible classical integrability.
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