Generalized Chaplygin gas model, supernovae, and cosmic topology

被引：47

作者：

Bento, MC

Bertolami, O

Rebouças, MJ

Silva, PT

机构：

[1] Univ Tecn Lisboa, Dept Fis, Inst Super Tecn, P-1049001 Lisbon, Portugal

[2] Ctr Brasileiro Pesquisas Fis, BR-22290180 Rio De Janeiro, Brazil

来源：

PHYSICAL REVIEW D | 2006年 / 73卷 / 04期

关键词：

D O I：

10.1103/PhysRevD.73.043504

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this work we study to which extent the knowledge of spatial topology may place constraints on the parameters of the generalized Chaplygin gas (GCG) model for unification of dark energy and dark matter. By using both the Poincare dodecahedral and binary octahedral spaces as the observable spatial topologies, we examine the current type Ia supernovae (SNe Ia) constraints on the GCG model parameters. We show that the knowledge of spatial topology does provide additional constraints on the A(s) parameter of the GCG model but does not lift the degeneracy of the alpha parameter.

引用

页数：8

共 67 条

[41]

Lehoucq R, 1996, ASTRON ASTROPHYS, V313, P339

[42]

Lehoucq R, 1999, ASTRON ASTROPHYS, V344, P735

[43]

Lehoucq R, 2000, ASTRON ASTROPHYS, V363, P1

[44] Topology and the cosmic microwave background [J].

Levin, J .

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 2002, 365 (04) :251-333

[45] Dodecahedral space topology as an explanation for weak wide-angle temperature correlations in the cosmic microwave background [J].

Luminet, JP ;

Weeks, JR ;

Riazuelo, A ;

Lehoucq, R ;

Uzan, JP .

NATURE, 2003, 425 (6958) :593-595

[46] Constraints on the generalized chaplygin gas from supernovae observations [J].

Makler, M ;

de Oliveira, SQ ;

Waga, I .

PHYSICS LETTERS B, 2003, 555 (1-2) :1-6

[47]

MAKLER M, ASTROP0507116

[48] Cosmic crystallography using short-lived objects - Active Galactic Nuclei [J].

Marecki, A ;

Roukema, BF ;

Bajtlik, S .

ASTRONOMY & ASTROPHYSICS, 2005, 435 (02) :427-435

[49] Constraints on the detectability of cosmic topology from observational uncertainties [J].

Mota, B ;

Rebouças, MJ ;

Tavakol, R .

CLASSICAL AND QUANTUM GRAVITY, 2003, 20 (22) :4837-4850

[50] Measurements of Ω and Λ from 42 high-redshift supernovae [J].

Perlmutter, S ;

Aldering, G ;

Goldhaber, G ;

Knop, RA ;

Nugent, P ;

Castro, PG ;

Deustua, S ;

Fabbro, S ;

Goobar, A ;

Groom, DE ;

Hook, IM ;

Kim, AG ;

Kim, MY ;

Lee, JC ;

Nunes, NJ ;

Pain, R ;

Pennypacker, CR ;

Quimby, R ;

Lidman, C ;

Ellis, RS ;

Irwin, M ;

McMahon, RG ;

Ruiz-Lapuente, P ;

Walton, N ;

Schaefer, B ;

Boyle, BJ ;

Filippenko, AV ;

Matheson, T ;

Fruchter, AS ;

Panagia, N ;

Newberg, HJM ;

Couch, WJ .

ASTROPHYSICAL JOURNAL, 1999, 517 (02) :565-586

← 1 2 3 4 5 6 7 →