Smallness of the cosmological constant and the multiple point principle
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In this talk we argue that the breakdown of global symmetries in no--scale supergravity (SUGRA), which ensures the vanishing of the vacuum energy density near the physical vacuum, leads to a natural realisation of the multiple point principle (MPP). In the MPP inspired SUGRA models the cosmological constant is naturally tiny.
Talk given at the 2007 Europhysics Conference on High Energy Physics, Manchester, England, 19-25 July 2007, CERN preprint number added, references updated
Talk given at the 2007 Europhysics Conference on High Energy Physics, Manchester, England, 19-25 July 2007, CERN preprint number added, references updated