A note on vacuum energy from the de Sitter spectrum

Details A note on vacuum energy from the de Sitter spectrum A note on vacuum energy from the de Sitter spectrum

2007-05-17

arxiv.org/abs/0705.2449v4

Class.Quant.Grav.24:5721-5723,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

3 pages, no figures; journal version: new title and minor corrections added; journal-ref added

Scientific paper

10.1088/0264-9381/24/22/N03

It is shown that a well-known relation between entropy of a system and its
energy spectrum being applied to the early universe determines the present
vacuum energy and the time scale on which this energy can manifest itself.
Given the present vacuum energy, the relation imposes a constraint on the
initial inflationary state.

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