Value of H0 in the Inhomogeneous Universe

被引：86

作者：

Ben-Dayan, Ido ^{[1
]}

Durrer, Ruth ^{[2
,3
]}

Marozzi, Giovanni ^{[2
,3
]}

Schwarz, Dominik J. ^{[4
]}

机构：

[1] Deutsch Elektronen Synchrotron DESY, Theory Grp, D-22603 Hamburg, Germany

[2] Univ Geneva, Dept Phys Theor, CH-1211 Geneva 4, Switzerland

[3] CAP, CH-1211 Geneva 4, Switzerland

[4] Univ Bielefeld, Fak Phys, D-33501 Bielefeld, Germany

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 22期

关键词：

IA SUPERNOVAE;

D O I：

10.1103/PhysRevLett.112.221301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Local measurements of the Hubble expansion rate are affected by structures like galaxy clusters or voids. Here we present a fully relativistic treatment of this effect, studying how clustering modifies the mean distance-(modulus-)redshift relation and its dispersion in a standard cold dark matter universe with a cosmological constant. The best estimates of the local expansion rate stem from supernova observations at small redshifts (0.01 < z < 0.1). It is interesting to compare these local measurements with global fits to data from cosmic microwave background anisotropies. In particular, we argue that cosmic variance (i.e., the effects of the local structure) is of the same order of magnitude as the current observational errors and must be taken into account in local measurements of the Hubble expansion rate.

引用

页数：5

共 27 条

[1] Planck 2013 results. XVI. Cosmological parameters [J].

Ade, P. A. R. ;

Aghanim, N. ;

Armitage-Caplan, C. ;

Arnaud, M. ;

Ashdown, M. ;

Atrio-Barandela, F. ;

Aumont, J. ;

Baccigalupi, C. ;

Banday, A. J. ;

Barreiro, R. B. ;

Bartlett, J. G. ;

Battaner, E. ;

Benabed, K. ;

Benoit, A. ;

Benoit-Levy, A. ;

Bernard, J. -P. ;

Bersanelli, M. ;

Bielewicz, P. ;

Bobin, J. ;

Bock, J. J. ;

Bonaldi, A. ;

Bond, J. R. ;

Borrill, J. ;

Bouchet, F. R. ;

Bridges, M. ;

Bucher, M. ;

Burigana, C. ;

Butler, R. C. ;

Calabrese, E. ;

Cappellini, B. ;

Cardoso, J. -F. ;

Catalano, A. ;

Challinor, A. ;

Chamballu, A. ;

Chary, R. -R. ;

Chen, X. ;

Chiang, H. C. ;

Chiang, L. -Y ;

Christensen, P. R. ;

Church, S. ;

Clements, D. L. ;

Colombi, S. ;

Colombo, L. P. L. ;

Couchot, F. ;

Coulais, A. ;

Crill, B. P. ;

Curto, A. ;

Cuttaia, F. ;

Danese, L. ;

Davies, R. D. .

ASTRONOMY & ASTROPHYSICS, 2014, 571

[2]

[Anonymous], ARXIV12024459

[3] Average and dispersion of the luminosity-redshift relation in the concordance model [J].

Ben-Dayan, I. ;

Gasperini, M. ;

Marozzi, G. ;

Nugier, F. ;

Veneziano, G. .

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2013, (06)

[4] Do Stochastic Inhomogeneities Affect Dark-Energy Precision Measurements? [J].

Ben-Dayan, I. ;

Gasperini, M. ;

Marozzi, G. ;

Nugier, F. ;

Veneziano, G. .

PHYSICAL REVIEW LETTERS, 2013, 110 (02)

[5] Backreaction on the luminosity-redshift relation from gauge invariant light-cone averaging [J].

Ben-Dayan, I. ;

Gasperini, M. ;

Marozzi, G. ;

Nugier, F. ;

Veneziano, G. .

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2012, (04)

[6] The second-order luminosity-redshift relation in a generic inhomogeneous cosmology [J].

Ben-Dayan, Ido ;

Marozzi, Giovanni ;

Nugier, Fabien ;

Veneziano, Gabriele .

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2012, (11)

[7] Fluctuations of the luminosity distance [J].

Bonvin, C ;

Durrer, R ;

Gasparini, MA .

PHYSICAL REVIEW D, 2006, 73 (02)

[8] A non-parametric model for the cosmic velocity field [J].

Branchini, E ;

Teodoro, L ;

Frenk, CS ;

Schmoldt, I ;

Efstathiou, G ;

White, SDM ;

Saunders, W ;

Sutherland, W ;

Rowan-Robinson, M ;

Keeble, O ;

Tadros, H ;

Maddox, S ;

Oliver, S .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1999, 308 (01) :1-28

[9] Back reaction of inhomogeneities on the expansion: The evolution of cosmological parameters [J].

Buchert, T ;

Kerscher, M ;

Sicka, C .

PHYSICAL REVIEW D, 2000, 62 (04) :1-21

[10] Influence of structure formation on the cosmic expansion [J].

Clarkson, Chris ;

Ananda, Kishore ;

Larena, Julien .

PHYSICAL REVIEW D, 2009, 80 (08)

← 1 2 3 →