Physics NotePublished
On Local Approximations to the Nonlinear Evolution of Large-Scale Structure
Martín Makler; T. Kodama; M. O. Calvao
2001
Publication details
- Authors
- Martín Makler; T. Kodama; M. O. Calvao
- Type
- Physics Note
- Status
- Published
- Publication date
- 2001
- Description
- We present a comparative analysis of several methods, known as local Lagrangian approximations, which are aimed to the description of the nonlinear evolution of large-scale structure. We have investigated various aspects of these approximations, such as the evolution of a homogeneous ellipsoid, collapse time as a function of initial conditions, and asymptotic behavior. Using these approximations, we have computed the cosmological mass function, finding reasonable agreement with N-body simulations and the Press-Schechter formula.
- Year
- 2001
- Number
- CBPF-NF-002/01
- Linked to a thesis
- No
- Linked to a grant
- No