Simulations of the formation, evolution and clustering of galaxies and quasars

Volker Springel (), Simon D. M. White, Adrian Jenkins, Carlos S. Frenk, Naoki Yoshida, Liang Gao, Julio Navarro, Robert Thacker, Darren Croton, John Helly, John A. Peacock, Shaun Cole, Peter Thomas, Hugh Couchman, August Evrard, Jörg Colberg and Frazer Pearce
Additional contact information
Volker Springel: Max-Planck-Institute for Astrophysics
Simon D. M. White: Max-Planck-Institute for Astrophysics
Adrian Jenkins: University of Durham
Carlos S. Frenk: University of Durham
Naoki Yoshida: Nagoya University
Liang Gao: Max-Planck-Institute for Astrophysics
Julio Navarro: University of Victoria
Robert Thacker: McMaster University
Darren Croton: Max-Planck-Institute for Astrophysics
John Helly: University of Durham
John A. Peacock: University of Edinburgh
Shaun Cole: University of Durham
Peter Thomas: University of Sussex
Hugh Couchman: McMaster University
August Evrard: University of Michigan
Jörg Colberg: University of Pittsburgh
Frazer Pearce: University of Nottingham

Nature, 2005, vol. 435, issue 7042, 629-636

Abstract: Abstract The cold dark matter model has become the leading theoretical picture for the formation of structure in the Universe. This model, together with the theory of cosmic inflation, makes a clear prediction for the initial conditions for structure formation and predicts that structures grow hierarchically through gravitational instability. Testing this model requires that the precise measurements delivered by galaxy surveys can be compared to robust and equally precise theoretical calculations. Here we present a simulation of the growth of dark matter structure using 2,1603 particles, following them from redshift z = 127 to the present in a cube-shaped region 2.230 billion lightyears on a side. In postprocessing, we also follow the formation and evolution of the galaxies and quasars. We show that baryon-induced features in the initial conditions of the Universe are reflected in distorted form in the low-redshift galaxy distribution, an effect that can be used to constrain the nature of dark energy with future generations of observational surveys of galaxies.

Date: 2005
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Citations: View citations in EconPapers (4)

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DOI: 10.1038/nature03597

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