Evolution of Clustering and Bias in a Lambda-CDM Universe
Davé, Romeel · Hernquist, Lars · Katz, Neal · Weinberg, David H.
Original · EN
We determine the evolution from z=3→ 0 of the galaxy and mass correlation functions and bias factor in a 50h⁻¹Mpc ΛCDM hydrodynamic simulation with 10h⁻¹kpc resolution. The mass correlation function grows with time, but the galaxy correlation function shows little evolution and is well described by a power law. At early times, galaxies are biased traces of mass, with bias being higher on smaller scales. By z=0, galaxies trace the mass, and the bias shows little scale dependence.
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