Generalized isothermal universes

被引:4
作者
Govender, M [1 ]
Govinder, KS [1 ]
机构
[1] Univ KwaZulu Natal, Sch Math Sci, ZA-4041 Durban, South Africa
基金
新加坡国家研究基金会;
关键词
gravitational clustering; early universe; thermodynamics;
D O I
10.1023/B:IJTP.0000049024.69049.3b
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present a simple nonstatic generalization of the isothermal universe. The cosmological fluid obeys a barotropic equation of state of the form p = alpharho. We employ a causal heat transport equation of the Maxwell-Cattaneo form to study the thermodynamical behavior of our model.
引用
收藏
页码:2253 / 2262
页数:10
相关论文
共 12 条
  • [1] ANILE AM, 1998, GRQC9810014
  • [2] RADIATING SPHERICAL COLLAPSE
    BONNOR, WB
    DEOLIVEIRA, AKG
    SANTOS, NO
    [J]. PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1989, 181 (05): : 269 - 306
  • [3] Qualitative and numerical study of the matter-radiation interaction in Kantowski-Sachs cosmologies
    Coley, AA
    Sarmiento, A
    Sussman, RA
    [J]. PHYSICAL REVIEW D, 2002, 66 (12)
  • [4] ACCELERATION-FREE SPHERICALLY SYMMETRICAL INHOMOGENEOUS COSMOLOGICAL MODEL WITH SHEAR VISCOSITY
    DENG, YB
    MANNHEIM, PD
    [J]. PHYSICAL REVIEW D, 1991, 44 (06): : 1722 - 1730
  • [5] SHEAR-FREE SPHERICALLY SYMMETRIC INHOMOGENEOUS COSMOLOGICAL MODEL WITH HEAT-FLOW AND BULK VISCOSITY
    DENG, YB
    MANNHEIM, PD
    [J]. PHYSICAL REVIEW D, 1990, 42 (02): : 371 - 383
  • [6] Causal heat transport in inhomogeneous cosmologies
    Govender, M
    Govinder, KS
    [J]. GENERAL RELATIVITY AND GRAVITATION, 2001, 33 (11) : 2015 - 2025
  • [7] Measuring the strength of dissipative inflation
    Herrera, L
    Di Prisco, A
    Pavon, D
    [J]. GENERAL RELATIVITY AND GRAVITATION, 2000, 32 (10) : 2091 - 2097
  • [8] Krasinski A., 1997, INHOMOGENEOUS COSMOL
  • [9] Inflation driven by causal heat flux
    Maartens, R
    Govender, M
    Maharaj, SD
    [J]. GENERAL RELATIVITY AND GRAVITATION, 1999, 31 (06) : 815 - 819
  • [10] Maartens R., 1996, CAUSAL THERMODYNAMIC