Generalized geometry of two-dimensional vacua

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We derive the conditions for unbroken supersymmetry for a Mink2, (2, 0) vacuum, arising from Type II supergravity on a compact eight-dimensional manifold ℳ8. When specialized to internal manifolds enjoying SU(4) × SU(4) structure the resulting system is elegantly rewritten in terms of generalized complex geometry. This particular class of vacua violates the correspondence between supersymmetry conditions and calibrations conditions of D branes (supersymmetry-calibrations correspondence). Our analysis includes and extends previous results about the failure of the supersymmetry-calibrations correspondence, and confirms the existence of a precise relation between such a failure and a subset of the supersymmetry conditions.


Superstring Vacua Differential and Algebraic Geometry 


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Copyright information

© The Author(s) 2014

Authors and Affiliations

  1. 1.Dipartimento di FisicaUniversità di Milano-BicoccaMilanoItaly
  2. 2.INFN, sezione di Milano-BicoccaMilanoItaly

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