Modeling quintessential inflation

被引:108
作者
Dimopoulos, K [1 ]
Valle, JWF
机构
[1] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England
[2] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain
关键词
inflation; quintessence; cosmological constant; CNIB;
D O I
10.1016/S0927-6505(02)00115-9
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We develop general criteria to construct unified frameworks for inflation and quintessence which employ a unique scalar field to drive both. By using such a minimal theoretical framework we avoid having to fine-tune couplings and mass-scales. In particular the initial conditions for quintessence are already fixed at the end of the inflationary epoch. We provide concrete realizations of the method which meet all inflationary and quintessence requirements, such as the COBE normalization and the resulting spectral index n approximate to 0.97, which is in excellent agreement with the latest cosmic microwave background data. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:287 / 306
页数:20
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