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Halo Properties in Models with Dynamical Dark Energy
We study properties of dark matter halos in a variety of models which include Dark Energy (DE). We consider both DE due to a scalar field self--interacting through Ratra-Peebles or SUGRA potentials, and DE with constant negative w=pρ >-1. We find that at redshift zero the nonlinear power spectrum of the dark matter, and the mass function of halos, practically do not depend on DE state equation and are almost indistinguishable from predictions of the LCDM model. This is consistent with thedoi:10.1086/379237 fatcat:vflrqxgvtzgydnjkp3ybcrmv3a