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44 papers · 2 filters
CUBE: An Information-optimized parallel Cosmological -body Algorithm
Hao-Ran Yu, Ue-Li Pen, Xin Wang
Cosmological large scale structure -body simulations are computation-light, memory-heavy problems in supercomputing. The considerable amount of memory is usually dominated by an…
SPIDER: CMB polarimetry from the edge of space
R. Gualtieri, J. P. Filippini, P. A. R. Ade +61
SPIDER is a balloon-borne instrument designed to map the polarization of the millimeter-wave sky at large angular scales. SPIDER targets the B-mode signature of primordial gravitat…
Cylinders out of a top hat: counts-in-cells for projected densities
Cora Uhlemann, Christophe Pichon, Sandrine Codis +5
Large deviation statistics is implemented to predict the statistics of cosmic densities in cylinders applicable to photometric surveys. It yields few percent accurate analytical pr…
Effect of Massive Neutrinos on the Position of Cold Dark Matter Halo: Revealed via Delaunay Triangulation Void
Jian Qin, Yu Liang, Cheng Zhao +3
Using cosmological -body simulation which coevolves cold dark matter (CDM) and neutrino particles, we discover the local effect of massive neutrinos on the spatial distribution…
Future Cosmological Constraints from Fast Radio Bursts
Anthony Walters, Amanda Weltman, B. M. Gaensler +2
We consider the possible observation of Fast Radio Bursts (FRBs) with planned future radio telescopes, and investigate how well the dispersions and redshifts of these signals might…
Non-Gaussianity of secondary anisotropies from ACTPol and Planck
William R. Coulton, Simone Aiola, Nicholas Battaglia +22
Most secondary sources of cosmic microwave background anisotropy (radio sources, dusty galaxies -DSFGs-, thermal Sunyaev Zel'dovich -tSZ- distortions from hot gas, and gravitationa…