Trans-Planckian footprints in inflationary cosmology

Details Trans-Planckian footprints in inflationary cosmology Trans-Planckian footprints in inflationary cosmology

2003-03-10

arxiv.org/abs/gr-qc/0303035v3

Phys.Lett. B579 (2004) 1-5

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 1 figure, final version to appear in Physics Letters B

Scientific paper

We consider a minimum uncertainty vacuum choice at a fixed energy scale Lambda as an effective description of trans-Planckian physics, and discuss its implications for the linear perturbations of a massless scalar field in power-law inflationary models. We find possible effects with a magnitude of order H/\Lambda in the power spectrum, in analogy with previous results for de-Sitter space-time.

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