Inflationary Phase in a Generalized Brans-Dicke Theory

被引：3
|
作者：
Berman, Marcelo S. [1 ]
Trevisan, Luis A. [2 ]
机构：
[1] Inst Albert Einstein Latinamer, BR-80730440 Curitiba, PR, Brazil
[2] Univ Estadual Ponta Grossa, BR-84010330 Ponta Grossa, PR, Brazil
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2009年 / 48卷 / 07期
关键词：
Inflation; Brans-Dicke; Scalar-tensor; Cosmology; Coupling "constant; Cosmological "constant;
D O I：
10.1007/s10773-009-9965-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We find a solution for exponential inflation in a Brans-Dicke generalized model, where the coupling "constant" is variable. While in General Relativity the equation of state is p=-rho, here we find p=alpha rho, where alpha <-2/3. The negativity of cosmic pressure implies acceleration of the expansion, even with I >< 0.
引用
收藏
页码：1929 / 1932
页数：4
相关论文
共 50 条
  • [1] Inflationary Phase in a Generalized Brans-Dicke Theory
    Marcelo S. Berman
    Luis A. Trevisan
    International Journal of Theoretical Physics, 2009, 48 : 1929 - 1932
  • [2] Inflationary model in Brans-Dicke theory
    Pinki, Pankaj
    Kumar, Pankaj
    Beesham, Aroonkumar
    MODERN PHYSICS LETTERS A, 2024, 39 (27N28)
  • [3] INFLATION IN GENERALIZED BRANS-DICKE THEORY
    ZHANG, YZ
    CHINESE JOURNAL OF PHYSICS, 1993, 31 (05) : 617 - 622
  • [4] DENSITY PERTURBATIONS IN THE INFLATIONARY PHASE FOR BRANS-DICKE COSMOLOGY
    BERMAN, MS
    PHYSICS LETTERS A, 1989, 139 (3-4) : 119 - 120
  • [5] INFLATIONARY PHASE IN BRANS-DICKE COSMOLOGY WITH A COSMOLOGICAL CONSTANT
    BERMAN, MS
    PHYSICS LETTERS A, 1989, 142 (6-7) : 335 - 337
  • [6] Inflationary Brans-Dicke quantum universe
    Geyer, B
    Odintsov, SD
    Zerbini, S
    PHYSICS LETTERS B, 1999, 460 (1-2) : 58 - 62
  • [7] GENERALIZED FIELD EQUATIONS AND BRANS-DICKE THEORY
    TUPPER, BOJ
    NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B, 1971, B 6 (02): : 105 - &
  • [8] Brans-Dicke theory in Bianchi III model and inflationary scenario
    Chakraborty, NC
    Chakraborty, S
    INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2002, 11 (03): : 391 - 404
  • [9] INFLATIONARY BRANS-DICKE UNIVERSE AND G
    PATRA, AC
    ROY, MNS
    RAY, D
    INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS, 1989, 28 (04) : 407 - 413
  • [10] The generalized Brans-Dicke theory and its cosmology
    Jianbo Lu
    Yabo Wu
    Weiqiang Yang
    Molin Liu
    Xin Zhao
    The European Physical Journal Plus, 134
12345