Cosmological models with Yang-Mills fields

被引：0
|
作者：
E. Elizalde
A. J. López-Revelles
S. D. Odintsov
S. Yu. Vernov
机构：
[1] Campus UAB,Instituto de Ciencias del Espacio and Institut d’Estudis Espacials de Catalunya
[2] Facultat de Ciències,Skobeltsyn Institute of Nuclear Physics
[3] Institució Catalana de Recerca i Estudis Avancats,undefined
[4] Tomsk State Pedagogical University,undefined
[5] Moscow State University,undefined
来源：
Physics of Atomic Nuclei | 2013年 / 76卷
关键词：
Atomic Nucleus; Scalar Curvature; Cosmological Model; Hubble Parameter; Sitter Solution;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Cosmological models with an SU(2) Yang-Mills field are studied. For a specific model with a minimally coupled Yang-Mills Lagrangian, which includes an arbitrary function of the second-order term and a fourth-order term, a corresponding reconstruction program is proposed. It is shown that the model with minimal coupling has no de Sitter solutions, for any nontrivial function of the second-order term. To get de Sitter solutions, a gravitational model with nonminimally coupled Yang-Mills fields is then investigated. It is shown that the model with non-minimal coupling has in fact a de Sitter solution, even in absence of the cosmological constant term.
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页码：996 / 1003
页数：7
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