Supernova Legacy Survey data are consistent with acceleration at z ≈ 3

被引：25

作者：

Amendola, Luca

Gasperini, M.

Piazza, Federico

机构：

[1] Osserv Astron Roma, INAF, I-00040 Monte Porzio Catone, Roma, Italy

[2] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy

[3] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

[4] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada

[5] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 2EG, Hants, England

来源：

PHYSICAL REVIEW D | 2006年 / 74卷 / 12期

关键词：

D O I：

10.1103/PhysRevD.74.127302

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We point out that the Type Ia supernovae in the SNLS dataset are consistent with an early beginning of the cosmic acceleration if dark energy interacts strongly with dark matter. We find that the acceleration could have started at redshift z approximate to 3 and higher.

引用

页数：3

共 31 条

[1]

Alverson N. W., 2002, ASTROPHYS J, V568, P38

[2] Fitting type Ia supernovae with coupled dark energy [J].

Amendola, L ;

Gasperini, M ;

Piazza, F .

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2004, (09) :225-236

[3] Early acceleration and adiabatic matter perturbations in a class of dilatonic dark-energy models [J].

Amendola, L ;

Gasperini, M ;

Tocchini-Valentini, D ;

Ungarelli, C .

PHYSICAL REVIEW D, 2003, 67 (04)

[4] Acceleration at z > 1? [J].

Amendola, L .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2003, 342 (01) :221-226

[5] Baryon bias and structure formation in an accelerating universe [J].

Amendola, L ;

Tocchini-Valentini, D .

PHYSICAL REVIEW D, 2002, 66 (04)

[6] Stationary dark energy: The present universe as a global attractor [J].

Amendola, L ;

Tocchini-Valentini, D .

PHYSICAL REVIEW D, 2001, 64 (04) :5

[7] Coupled quintessence [J].

Amendola, L .

PHYSICAL REVIEW D, 2000, 62 (04) :10

[8] Challenges for scaling cosmologies [J].

Amendola, Luca ;

Quartin, Miguel ;

Tsujikawa, Shinji ;

Waga, Ioav .

PHYSICAL REVIEW D, 2006, 74 (02)

[9] The Supernova Legacy Survey:: measurement of ΩM, ΩΛ and w from the first year data set [J].

Astier, P ;

Guy, J ;

Regnault, N ;

Pain, R ;

Aubourg, E ;

Balam, D ;

Basa, S ;

Carlberg, RG ;

Fabbro, S ;

Fouchez, D ;

Hook, IM ;

Howell, DA ;

Lafoux, H ;

Neill, JD ;

Palanque-Delabrouille, N ;

Perrett, K ;

Pritchet, CJ ;

Rich, J ;

Sullivan, M ;

Taillet, R ;

Aldering, G ;

Antilogus, P ;

Arsenijevic, V ;

Balland, C ;

Baumont, S ;

Bronder, J ;

Courtois, H ;

Ellis, RS ;

Filiol, M ;

Gonçalves, AC ;

Goobar, A ;

Guide, D ;

Hardin, D ;

Lusset, V ;

Lidman, C ;

McMahon, R ;

Mouchet, M ;

Mourao, A ;

Perlmutter, S ;

Ripoche, P ;

Tao, C ;

Walton, N .

ASTRONOMY & ASTROPHYSICS, 2006, 447 (01) :31-U31

[10] A phantom menace? Cosmological consequences of a dark energy component with super-negative equation of state [J].

Caldwell, RR .

PHYSICS LETTERS B, 2002, 545 (1-2) :23-29

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