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Large hierarchies from approximate R symmetries.

  • Author(s): Kappl, Rolf
  • Nilles, Hans Peter
  • Ramos-Sánchez, Saúl
  • Ratz, Michael
  • Schmidt-Hoberg, Kai
  • Vaudrevange, Patrick KS
  • et al.

We show that hierarchically small vacuum expectation values of the superpotential in supersymmetric theories can be a consequence of an approximate R symmetry. We briefly discuss the role of such small constants in moduli stabilization and understanding the huge hierarchy between the Planck and electroweak scales.

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