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Stringy unification of type IIA and IIB supergravities under N=2 D=10 supersymmetric double field theory
2013
Physics Letters B
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To the full order in fermions, we construct D=10 type II supersymmetric double field theory. We spell the precise N=2 supersymmetry transformation rules as for 32 supercharges. The constructed action unifies type IIA and IIB supergravities in a manifestly covariant manner with respect to O(10,10) T-duality and a pair of local Lorentz groups, or Spin(1,9) \times Spin(9,1), besides the usual general covariance of supergravities or the generalized diffeomorphism. While the theory is unique, the
doi:10.1016/j.physletb.2013.05.016
fatcat:ewqwfuy47ncgzn34lv5v2bgqoi