New stability results for Einstein scalar gravity
Jun, 2010
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Abstract: (arXiv)
We consider asymptotically anti de Sitter gravity coupled to a scalar field with mass slightly above the Breitenlohner-Freedman bound. This theory admits a large class of consistent boundary conditions characterized by an arbitrary function . An important open question is to determine which admit stable ground states. It has previously been shown that the total energy is bounded from below if is bounded from below and the bulk scalar potential admits a suitable superpotential. We extend this result and show that the energy remains bounded even in some cases where can become arbitrarily negative. As one application, this leads to the possibility that in gauge/gravity duality, one can add a double trace operator with negative coefficient to the dual field theory and still have a stable vacuum.- gravitation: scalar
- gravitation: anti-de Sitter
- ground state: stability
- gravitation: coupling
- gravitation: duality
- field theory: scalar
- vacuum: stability
- boundary condition
- superpotential
- soliton
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