Anisotropic 'hairs' in string cosmology

Details Anisotropic 'hairs' in string cosmology Anisotropic 'hairs' in string cosmology

1999-12-20

arxiv.org/abs/gr-qc/9912081v1

Class.Quant.Grav. 17 (2000) 2597-2604

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 1 figure

Scientific paper

10.1088/0264-9381/17/13/311

In this letter we investigate whether the isotropy problem is naturally
solved in inflationary cosmologies inspired by string theory, so called
pre-big-bang cosmologies. We find that, in contrast to what happens in the more
common 'potential inflation' models, initial anisotropies do not decay during
pre-big-bang inflation.

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