activity
20082011
most citedPopulation III.1 and III.2 gamma-Ray Bursts: Constraints on the event rate for future radio and X-ray surveys

118 citations · 215 across the 5 of their papers we have counts for

collaborators

9 papers

astro-ph.CO2011★ 118 cited

Population III.1 and III.2 gamma-Ray Bursts: Constraints on the event rate for future radio and X-ray surveys

Rafael S de Souza, Naoki Yoshida, Kunihito Ioka

We calculate the theoretical event rate of gamma-ray bursts (GRBs) from the collapse of massive first-generation (Population III; Pop III) stars. The Pop III GRBs could be super-en…

astro-ph.CO2011★ 41 cited

The Effect of a Single Supernova Explosion on the Cuspy Density Profile of a Small-Mass Dark Matter Halo

Rafael S. de Souza, Luiz Felippe S. Rodrigues, Emille E. O. Ishida +1

Some observations of galaxies, and in particular dwarf galaxies, indicate a presence of cored density profiles in apparent contradiction with cusp profiles predicted by dark matter…

astro-ph.CO2011★ 48 cited

Hubble parameter reconstruction from a principal component analysis: minimizing the bias

Emille E. O. Ishida, Rafael S. de Souza

A model-independent reconstruction of the cosmic expansion rate is essential to a robust analysis of cosmological observations. Our goal is to demonstrate that current data are abl…

astro-ph.CO2010★ 6 cited

Random Primordial Magnetic Fields and the Gas Content of Dark Matter Halos

Rafael S. de Souza, Luiz Felippe S. Rodrigues, Reuven Opher

We recently predicted the existence of random primordial magnetic fields (RPMF) in the form of randomly oriented cells with dipole-like structure with a cell size and an aver…

astro-ph.SR2010★ 2 cited

Are the magnetic fields of millisecond pulsars ~ 10^8 G?

Rafael S. de Souza, Reuven Opher

It is generally assumed that the magnetic fields of millisecond pulsars (MSPs) are G. We argue that this may not be true and the fields may be appreciably greater. We…

astro-ph.CO2010

Suppression of small baryonic structures due to a primordial magnetic field

Luiz Felippe S. Rodrigues, Rafael S. de Souza, Reuven Opher

We investigate the impact of the existence of a primordial magnetic field on the filter mass, characterizing the minimum baryonic mass that can form in dark matter (DM) haloes. For…