Holographic Cosmology and its Relevant Degrees of Freedom

Abstract

We reconsider the options for cosmological holography. We suggest that a global and time– symmetric version of the Fischler-Susskind bound is the most natural generalization of the holographic bound encountered in AdS and De Sitter space. A consistent discussion of cosmological holography seems to imply an understanding of the notion of “number of degrees… (More)

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