• Published 2000

Ellipsoidal collapse and an improved model for the numberand spatial distribution of dark matter

@inproceedings{Sheth2000EllipsoidalCA,
  title={Ellipsoidal collapse and an improved model for the numberand spatial distribution of dark matter},
  author={haloesRavi K. Sheth and Houjun J. Mo and Giuseppe Tormen},
  year={2000}
}
In preparation ABSTRACT The Press{Schechter, excursion set approach allows one to make predictions about the shape and evolution of the mass function of bound objects. The approach combines the assumption that objects collapse spherically with the assumption that the initial density uctuations were Gaussian and small. While the predicted mass function is reasonably accurate at the high mass end, it has more low mass objects than are seen in simulations of hierarchical clustering. We show that… CONTINUE READING

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