Smallness of the cosmological constant and the multiple point principle

Details Smallness of the cosmological constant and the multiple point principle Smallness of the cosmological constant and the multiple point principle

2007-08-21

arxiv.org/abs/0708.2907v2

J.Phys.Conf.Ser.110:072012,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at the 2007 Europhysics Conference on High Energy Physics, Manchester, England, 19-25 July 2007, CERN preprint numb

Scientific paper

10.1088/1742-6596/110/7/072012

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.

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