More varieties of hybrid inflation

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It is pointed out that hybrid inflation can be implemented with the inflaton field rolling away from the origin instead of towards it. This ''inverted'' hybrid inflation has a spectral index n<1, in contrast with ordinary hybrid inflation which has n greater than or similar to 1, so a measured value of n substantially different from 1 would distinguish the two. Other generalizations of hybrid inflation are also considered.
Publisher
AMERICAN PHYSICAL SOC
Issue Date
1996-12
Language
English
Article Type
Article
Keywords

LARGE-SCALE STRUCTURE; DENSITY PERTURBATIONS; PRIMORDIAL INFLATION; EXTENDED INFLATION; UNIVERSE SCENARIO; NATURAL INFLATION; ENERGY-DENSITY; COSMOLOGY; SUPERGRAVITY; ISOTROPY

Citation

PHYSICAL REVIEW D, v.54, no.12, pp.7186 - 7190

ISSN
0556-2821
DOI
10.1103/PhysRevD.54.7186
URI
http://hdl.handle.net/10203/70499
Appears in Collection
PH-Journal Papers(저널논문)
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