# An Analytic expression for the growth function in a flat universe with a cosmological constant

@inproceedings{Eisenstein1997AnAE, title={An Analytic expression for the growth function in a flat universe with a cosmological constant}, author={Daniel J. Eisenstein}, year={1997} }

An analytic expression is given for the growth function for linear perturbations in a low-density universe made at by a cosmological constant. The result involves elliptic integrals but is otherwise straight-forward. Subject headings: cosmology: theory { large-scale structure of the universe In linear cosmological perturbation theory, the evolution of perturbations in the absence of pressure is reduced to the superposition of two modes with xed time dependence and arbitrary spatial dependence… CONTINUE READING

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