Fake Supergravity and Domain Wall Stability

  title={Fake Supergravity and Domain Wall Stability},
  author={Daniel Z. Freedman and C. N{\'u}{\~n}ez and M. Schnabl and Kostas Skenderis},
We review the generalized Witten-Nester spinor stability argument for flat domain wall solutions of gravitational theories. Neither the field theory nor the solution need be supersymmetric. Nor is the space-time dimension restricted. We develop the non-trivial extension required for AdS-sliced domain walls and apply this to show that the recently proposed “Janus” solution of Type IIB supergravity is stable non-perturbatively for a broad class of deformations. Generalizations of this solution to… CONTINUE READING
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