Cosmologies with variable G and Λ from action principle

被引：17

作者：

Krori, KD ^{[1
]}

Chaudhury, S

Mukherjee, A

机构：

[1] Cotton Coll, Math Phys Forum, Guwahati 781001, India

[2] Shrimanta Shankar Acad, Guwahati 781001, India

[3] Tura Govt Coll, Tura, Meghalaya, India

来源：

GENERAL RELATIVITY AND GRAVITATION | 2000年 / 32卷 / 08期

关键词：

variable gravitation constant; variable;

D O I：

10.1023/A:1001973832645

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Cosmologies with variable G and Lambda are developed in this paper from an action principle, and some exact cosmological models are presented. These models indicate that the era of variable G and Lambda must have occurred, if at all, prior to other possible eras like radiation and dust.

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收藏

页码：1439 / 1447

页数：9

相关论文

共 26 条

[1] A CRITICAL DENSITY COSMOLOGICAL MODEL WITH VARYING GRAVITATIONAL AND COSMOLOGICAL CONSTANTS [J].

ABDELRAHMAN, AMM .

GENERAL RELATIVITY AND GRAVITATION, 1990, 22 (06) :655-663

[2]

Abers E. S., 1973, Physics Reports. Physics Letters Section C, V9C, P1, DOI 10.1016/0370-1573(73)90027-6

[3]

[Anonymous], 1937, Nature, DOI [DOI 10.1038/139323A0, 10.1038/139323a0]

[4] Cosmological models with variable cosmological and gravitational ''constants'' and bulk viscous models [J].

Arbab, AI .

GENERAL RELATIVITY AND GRAVITATION, 1997, 29 (01) :61-74

[5]

BEESHAM A, 1994, GEN RELAT GRAVIT, V24, P351

[6] BRANS-DICKE STATIC UNIVERSES [J].

BERMAN, MS ;

SOM, MM ;

GOMIDE, FD .

GENERAL RELATIVITY AND GRAVITATION, 1989, 21 (03) :287-292

[7] COSMOLOGICAL MODELS WITH A VARIABLE COSMOLOGICAL TERM [J].

BERMAN, MS .

PHYSICAL REVIEW D, 1991, 43 (04) :1075-1078

[8] COSMOLOGICAL MODELS WITH VARIABLE GRAVITATIONAL AND COSMOLOGICAL CONSTANTS [J].

BERMAN, MS .

GENERAL RELATIVITY AND GRAVITATION, 1991, 23 (04) :465-469

[9] WHITROW-RANDALL RELATION AND BRANS-DICKE COSMOLOGY [J].

BERMAN, MS ;

SOM, MM .

GENERAL RELATIVITY AND GRAVITATION, 1990, 22 (06) :625-629

[10] COSMOLOGICAL MODELS WITH CONSTANT DECELERATION PARAMETER [J].

BERMAN, MS ;

GOMIDE, FD .

GENERAL RELATIVITY AND GRAVITATION, 1988, 20 (02) :191-198