GRAVITATIONAL COLLAPSE IN AN EXPANDING UNIVERSE - ASYMPTOTIC SELF-SIMILAR SOLUTIONS

被引:42
作者
ZAROUBI, S
HOFFMAN, Y
机构
[1] Racah Institute of Physics, Hebrew University, Jerusalem
关键词
COSMOLOGY; THEORY; GALAXIES; FORMATION; LARGE-SCALE STRUCTURE OF UNIVERSE;
D O I
10.1086/173246
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The collapse and virialization of self-similar spherical density perturbations to a flat Einstein-de Sitter universe is investigated and in particular the asymptotic similarity solutions. Previous calculations of Gunn and Fillmore & Goldreich of the asymptotic solutions are improved here and the collapse factor of a given spherical shell is calculated. Within the framework of the asymptotic behavior exact analytical solutions are obtained.
引用
收藏
页码:410 / 414
页数:5
相关论文
共 19 条
[1]   THE STATISTICS OF PEAKS OF GAUSSIAN RANDOM-FIELDS [J].
BARDEEN, JM ;
BOND, JR ;
KAISER, N ;
SZALAY, AS .
ASTROPHYSICAL JOURNAL, 1986, 304 (01) :15-61
[2]   SELF-SIMILAR SECONDARY INFALL AND ACCRETION IN AN EINSTEIN-DESITTER UNIVERSE [J].
BERTSCHINGER, E .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1985, 58 (01) :39-66
[3]   GALAXY FORMATION WITH COSMIC STRINGS AND MASSIVE NEUTRINOS [J].
BERTSCHINGER, E ;
WATTS, PN .
ASTROPHYSICAL JOURNAL, 1988, 328 (01) :23-33
[4]   GRAVITATIONAL CLUSTERING FROM SCALE-FREE INITIAL CONDITIONS [J].
EFSTATHIOU, G ;
FRENK, CS ;
WHITE, SDM ;
DAVIS, M .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1988, 235 (03) :715-748
[5]   SELF-SIMILAR GRAVITATIONAL COLLAPSE IN AN EXPANDING UNIVERSE [J].
FILLMORE, JA ;
GOLDREICH, P .
ASTROPHYSICAL JOURNAL, 1984, 281 (01) :1-8
[6]  
FRENK CS, 1988, APJ, V351, P10
[7]   MASSIVE GALACTIC HALOS .1. FORMATION AND EVOLUTION [J].
GUNN, JE .
ASTROPHYSICAL JOURNAL, 1977, 218 (03) :592-598
[8]   INFALL OF MATTER INTO CLUSTERS OF GALAXIES AND SOME EFFECTS ON THEIR EVOLUTION [J].
GUNN, JE ;
GOTT, JR .
ASTROPHYSICAL JOURNAL, 1972, 176 (01) :1-&
[9]   LOCAL DENSITY MAXIMA - PROGENITORS OF STRUCTURE [J].
HOFFMAN, Y ;
SHAHAM, J .
ASTROPHYSICAL JOURNAL, 1985, 297 (01) :16-22
[10]   ON THE FORMATION AND STRUCTURE OF GALACTIC HALOS [J].
HOFFMAN, Y .
ASTROPHYSICAL JOURNAL, 1988, 328 (02) :489-498