Holographic Vacuum Energy

Details Holographic Vacuum Energy Holographic Vacuum Energy

2000-10-18

arxiv.org/abs/hep-th/0010145v2

Physics

High Energy Physics

High Energy Physics - Theory

11 pages

Scientific paper

Gravitational holography is argued to render the cosmological constant stable against divergent quantum corrections. This provides a technically natural solution to the cosmological constant problem. Evidence for quantum stability of the cosmological constant is illustrated in a number of examples including, bulk descriptions in terms of delocalized degrees of freedom, boundary screen descriptions on stretched horizons, and non-supersymmetric conformal field theories as dual descriptions of anti-de Sitter space. In an expanding universe, holographic quantum contributions to the stress-energy tensor are argued to be at most of order the energy density of the dominant matter component.

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