Using Perturbative Least Action to Run N Body Simulations Back in Time

Details Using Perturbative Least Action to Run N Body Simulations Back in Time Using Perturbative Least Action to Run N Body Simulations Back in Time

1999-09-02

arxiv.org/abs/astro-ph/9909057v1

Astronomy and Astrophysics

Astrophysics

4 pages, 1 figure, Cosmic Flows Workshop, Victoria BC, July 1999, S. Courteau, M. Strauss, and J. Willick eds

Scientific paper

In this report, we present a new method for reconstructing N body initial
conditions from a proscribed final density field. This method, Perturbative
Least Action (PLA) is similar to traditional least action approaches, except
that orbits of particles are found as expansions around previously determined
and physically motivated orbits.

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