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- Princeton UniversityUS34 papers
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63 papers · 1 filter
Cosmological Perturbations at Second Order and Recombination Perturbed
Leonardo Senatore, Svetlin Tassev, Matias Zaldarriaga
We derive the full set of second-order equations governing the evolution of cosmological perturbations, including the effects of the first-order electron number density perturbatio…
Massive Black Hole Recoil in High Resolution Hosts
Javiera Guedes, Jürg Diemand, Marcel Zemp +4
The final inspiral and coalescence of a black hole binary can produce highly beamed gravitational wave radiation. To conserve linear momentum, the black hole remnant can recoil wit…
The Volume of the Universe after Inflation and de Sitter Entropy
Sergei Dubovsky, Leonardo Senatore, Giovanni Villadoro
We calculate the probability distribution for the volume of the Universe after slow-roll inflation both in the eternal and in the non-eternal regime. Far from the eternal regime th…
The Graininess of Dark Matter Haloes
Marcel Zemp, Jürg Diemand, Michael Kuhlen +5
We use the recently completed one billion particle Via Lactea II LambdaCDM simulation to investigate local properties like density, mean velocity, velocity dispersion, anisotropy,…
Brilliant Pebbles: A Method for Detection of Very Large Interstellar Grains
Aristotle Socrates, Bruce T. Draine
A photon of wavelength lambda ~1 micron interacting with a dust grain of radius a_p ~ 1 mm (a "pebble") undergoes scattering in the forward direction, largely within a small charac…
Non-Gaussianities from Perturbing Recombination
Leonardo Senatore, Svetlin Tassev, Matias Zaldarriaga
We approximately compute the bispectrum induced on the CMB temperature by fluctuations in the standard recombination epoch. Of all the second order sources that can induce non-Gaus…