An emergent universe supported by a nonlinear sigma model

被引：38

作者：

Beesham, A. ^{[1
]}

Chervon, S. V. ^{[2
]}

Maharaj, S. D. ^{[2
]}

机构：

[1] Univ Zululand, Dept Math Sci, ZA-3886 Kwa Dlangezwa, South Africa

[2] Univ KwaZulu Natal, Sch Math Sci, Astrophys & Cosmol Res Unit, ZA-4000 Durban, South Africa

来源：

CLASSICAL AND QUANTUM GRAVITY | 2009年 / 26卷 / 07期

基金：

俄罗斯基础研究基金会; 新加坡国家研究基金会;

关键词：

GRAVITATIONAL-FIELD;

D O I：

10.1088/0264-9381/26/7/075017

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We suggest the use of a nonlinear sigma model as the source which supports an emergent universe. The two-component nonlinear sigma model is considered as the simplest model containing inflaton and auxiliary chiral fields.

引用

页数：9

共 32 条

[1]

BANERJEE A, 2007, ARXIV070539333GRQC

[2] EXACT INFLATIONARY UNIVERSES WITH POTENTIAL MINIMA [J].

BARROW, JD .

PHYSICAL REVIEW D, 1994, 49 (06) :3055-3058

[3]

Chervon S. V., 1997, Gravitation & Cosmology, V3, P145

[4]

Chervon S. V., 1995, Journal of Astrophysics and Astronomy, V16, P65

[5]

Chervon S. V., 2000, Gravitation & Cosmology, V6, P41

[6] On Calculation of the Cosmological Parameters in Exact Models of Inflation [J].

Chervon, S. V. ;

Fomin, I. V. .

GRAVITATION & COSMOLOGY, 2008, 14 (02) :163-167

[7]

Chervon S. V., 2001, PROC 9 MARCELL GROSS, P1909

[8]

Chervon S.V., 1995, GRAVIT COSMOL-RUSSIA, V1, P91

[9] PLANE-SYMMETRIC GRAVITATIONAL-FIELD AS A 4-COMPONENT NON-LINEAR SIGMA-MODEL [J].

CHERVON, SV ;

MUSLIMOV, AG .

PHYSICS LETTERS A, 1989, 142 (01) :14-16

[10] New exact solutions in standard inflationary models [J].

Chervon, SV ;

Zhuravlev, VM ;

Shchigolev, VK .

PHYSICS LETTERS B, 1997, 398 (3-4) :269-273

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