Anisotropic 'hairs' in string cosmology
classification
🌀 gr-qc
astro-phhep-th
keywords
cosmologiesinflationpre-big-bangstringanisotropicanisotropiescalledcommon
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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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