Formulae for Growth Factors In Expanding Universes Containing Matter and a Cosmological Constant
A. J. S. Hamilton
Abstract
Formulae are presented for the linear growth factor D/a and its logarithmic derivative dlnD/dlna in expanding Friedmann-Robertson-Walker Universes with arbitrary matter and vacuum densities. The formulae permit rapid and stable numerical evaluation. A fortran program is available at http://casa.colorado.edu/~ajsh/growl/ .
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