The radiation era in scalar-tensor cosmology

被引:4
|
作者
Klippert, R
De Lorenci, VA
Novello, M
Salim, JM
机构
[1] Ctr Brasileiro Pesquisas Fis, BR-22290180 Rio De Janeiro, Brazil
[2] Int Ctr Relativist Astrophys, I-65100 Pescara, PE, Italy
[3] Escola Fed Engn Itajuba, Inst Ciencias, BR-37500000 Itajuba, MG, Brazil
关键词
string cosmology; background radiation;
D O I
10.1016/S0370-2693(99)01403-3
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
An action inspired on the low-energy effective action for heterotic string and Weyl integrable space-time theory is used to describe the radiation era in scalar-tenser cosmology. The resulting field equations for a Friedmann-Robertson-Walker geometry are written and the general solution for this system is obtained and its main properties are discussed. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:27 / 32
页数:6
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