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Colloquium by Houjun Mo (University of Massachusetts)

ELUCID: Exploring the Local Universe with reConstructed Initial Density field 

Abstract: 

Simulating the evolution of the local universe is important for studying galaxies and the intergalactic medium in a way free of cosmic variance. I will describe a method to reconstruct the initial linear density field from an input non-linear density field, employing the   Hamiltonian Markov Chain Monte Carlo (HMC) algorithm combined with   Particle Mesh (PM) dynamics. The power of this method is tested using high-resolution cosmological simulations. Preliminary results obtained   from applying the method to real observational data are described.

Time: Dec. 23,  2015, 2:30 pm

Venue: A601, NAOC