Tri-vector deformations in d = 11 supergravity

  • Ilya BakhmatovEmail author
  • Nihat Sadik Deger
  • Edvard T. Musaev
  • Eoin Ó Colgáin
  • Mohammad M. Sheikh-Jabbari
Open Access
Regular Article - Theoretical Physics


We construct a d = 11 supergravity analogue of the open-closed string map in the context of SL(5) Exceptional Field Theory (ExFT). The deformation parameter tri-vector Ω generalizes the non-commutativity bi-vector parameter Θ of the open string. When applied to solutions in d = 11, this map provides an economical way of performing TsT deformations, and may be used to recover d = 10 Yang-Baxter deformations after dimensional reduction. We present a generalization of the Classical Yang-Baxter Equation (CYBE) for rank 3 objects, which emerges from d = 11 supergravity and the SL(5) ExFT. This equation is shown to reduce to the d = 10 CYBE upon dimensional reduction.


Space-Time Symmetries String Duality Supergravity Models 


Open Access

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© The Author(s) 2019

Authors and Affiliations

  1. 1.Asia Pacific Center for Theoretical PhysicsPohangKorea
  2. 2.Department of MathematicsBoğaziçi UniversityIstanbulTurkey
  3. 3.Moscow Institute of Physics and TechnologyDolgoprudnyRussia
  4. 4.Kazan Federal University, Institute of PhysicsKazanRussia
  5. 5.Department of Physics, PostechPohangKorea
  6. 6.School of Physics, Institute for Research in Fundamental Sciences (IPM)TehranIran
  7. 7.The Abdus Salam ICTPTriesteItaly

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