INFLATIONARY COSMOLOGY WITH A R+LAMBDA-R(MU-NU)R(MU-NU)/R LAGRANGIAN

被引：17

作者：

BRUNING, E ^{[1
]}

COULE, DH ^{[1
]}

XU, C ^{[1
]}

机构：

[1] UNIV CAPE TOWN,DEPT APPL MATH,RONDEBOSCH 7700,SOUTH AFRICA

来源：

GENERAL RELATIVITY AND GRAVITATION | 1994年 / 26卷 / 12期

关键词：

D O I：

10.1007/BF02106712

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider an alternative fourth-order gravity Lagrangian which is nonanalytic in the Ricci scalar, and apply it to a Robertson-Walker metric. We find vacuum solutions which undergo power-law inflation. Once matter is introduced the theory behaves very much like ordinary General Relativity, except that the radiation evolution a similar to root t is not allowed since it corresponds to R = O. We comment on the possibility of wormhole solutions in such a theory.

引用

页码：1197 / 1211

页数：15

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