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k-Inflation

delete1999-07-01
delete1.6K
PRE
AI
C
Cristian Armendariz-Picon *
T
Thibault Damour
M
Mukhanov, V
DOI：10.1016/S0370-2693(99)00603-6delete
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Abstract

Abstract

En 中文
It is shown that a large class of higher-order (i.e. non-quadratic) scalar kinetic terms can, without the help of potential terms, drive an inflationary evolution starting from rather generic initial conditions. In many models, this kinetically driven inflation (or k-inflation for short) rolls slowly from a high-curvature initial phase, down to a low-curvature phase and can exit inflation to end up being radiation-dominated, in a naturally graceful manner. We hope that this novel inflation mechanism might be useful in suggesting new ways of reconciling the string dilaton with inflation. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
Keywords:
inflation
string theory
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

Physics Letters B cover
Physics Letters B
IF:
4.5
Papers:
3.2W
Citations:
7.3W

Organization

No organization information available