E7(7) formulation of N = 2 backgrounds

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Erscheinungsjahr:
2009
Medientyp:
Text
Schlagworte:
  • Differential and Algebraic Geometry
  • Flux compactifications
Beschreibung:
  • In this paper we reformulate N = 2 supergravity backgrounds arising in type II string theory in terms of quantities transforming under the U-duality group E 7(7). In particular we combine the Ramond-Ramond scalar degrees of freedom together with the O(6,6) pure spinors which govern the Neveu-Schwarz sector by considering an extended version of generalised geometry. We give E 7(7)-invariant expressions for the Kähler and hyperkähler potentials describing the moduli space of vector and hypermultiplets, demonstrating that both correspond to standard E 7(7) coset spaces. We also find E 7(7) expressions for the Killing prepotentials defining the scalar potential, and discuss the equations governing N = 1 vacua in this formalism. © SISSA 2009.
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  • info:eu-repo/semantics/restrictedAccess
Quellsystem:
Forschungsinformationssystem der UHH
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oai:www.edit.fis.uni-hamburg.de:publications/13868859-e805-4ee4-a3a5-65d70a989555