On the active gravitational mass of a non-spherical source leaving hydrostatic equilibrium

被引：19
|
作者：
Herrera, L [1 ]
Di Prisco, A [1 ]
Fuenmayor, E [1 ]
机构：
[1] Cent Univ Venezuela, Fac Ciencias, Escuela Fis, Caracas, Venezuela
来源：
CLASSICAL AND QUANTUM GRAVITY | 2003年 / 20卷 / 06期
关键词：
D O I：
10.1088/0264-9381/20/6/307
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We obtain an expression for the active gravitational mass (Tolman) of a source of the gamma metric, just after its departure from hydrostatic equilibrium, on a time scale of the order of (or smaller than) the hydrostatic time scale. It is shown that for very compact sources, even arbitrarily small departures from sphericity produce a significant decrease (increase) in the value of an active gravitational mass of collapsing (expanding) spheres, with respect to its value in equilibrium, enhancing thereby the stability of the system.
引用
收藏
页码：1125 / 1136
页数：12
相关论文
共 50 条
  • [1] Non-Spherical Sources of Strong Gravitational Fields Out of Hydrostatic Equilibrium
    L. Herrera
    A. Di Prisco
    J. Martínez
    Astrophysics and Space Science, 2001, 277 : 447 - 459
  • [2] Non-spherical sources of strong gravitational fields out of hydrostatic equilibrium
    Herrera, L
    Di Prisco, A
    Martínez, J
    ASTROPHYSICS AND SPACE SCIENCE, 2001, 277 (03) : 447 - 459
  • [3] The Active Gravitational Mass of a Heat Conducting Sphere Out of Hydrostatic Equilibrium
    L. Herrera
    A. Di Prisco
    General Relativity and Gravitation, 1999, 31 : 301 - 313
  • [4] The active gravitational mass of a heat conducting sphere out of hydrostatic equilibrium
    Herrera, L
    Di Prisco, A
    GENERAL RELATIVITY AND GRAVITATION, 1999, 31 (03) : 301 - 313
  • [5] Spherical and non-spherical gravitational collapse in Husain spacetime
    Patil, KD
    Thool, US
    INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2005, 14 (05): : 873 - 882
  • [6] THE EQUILIBRIUM PROPERTIES OF ASSEMBLIES OF NON-SPHERICAL MOLECULES
    ROWLINSON, JS
    TRANSACTIONS OF THE FARADAY SOCIETY, 1954, 50 (07): : 647 - 656
  • [7] Causal structure of singularity in non-spherical gravitational collapse
    Dey, Dipanjan
    Joshi, Pankaj S.
    Mosani, Karim
    Vertogradov, Vitalii
    EUROPEAN PHYSICAL JOURNAL C, 2022, 82 (05):
  • [8] Non-spherical gravitational collapse of strange quark matter
    Zade, S. S.
    Patil, K. D.
    Mulkalwar, P. N.
    CHINESE PHYSICS LETTERS, 2008, 25 (05) : 1568 - 1570
  • [9] Causal structure of singularity in non-spherical gravitational collapse
    Dipanjan Dey
    Pankaj S. Joshi
    Karim Mosani
    Vitalii Vertogradov
    The European Physical Journal C, 82
  • [10] Radiation drag in the field of a non-spherical source
    Bini, D.
    Geralico, A.
    Passamonti, A.
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2015, 446 (01) : 65 - 74
12345