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28 papers · 2 filters
Multi-wavelength properties of Spitzer-selected starbursts at z~2
N. Fiolet, A. Omont, M. Polletta +17
A complete sample of 33 sources believed to be starbursts ("5.8micron-peakers") was selected in the (0.5 sq. deg.) J1046+56 field with selection criteria F_(24micron)>400muJy, the…
The Relic Problem of String Gas Cosmology
Diana Battefeld, Thorsten Battefeld
We discuss the relic problem of string gas cosmology (SGC) using gravitinos and magnetic monopoles as examples. Since SGC operates near or at the Hagedorn temperature, relics are p…
Constraints on Dark Matter annihilations from reionization and heating of the intergalactic gas
Marco Cirelli, Fabio Iocco, Paolo Panci
Dark Matter annihilations after recombination and during the epoch of structure formation deposit energy in the primordial intergalactic medium, producing reionization and heating.…
Simulating the impact of dust cooling on the statistical properties of the intracluster medium
E. Pointecouteau, A. Da Silva, A. Catalano +4
From the first stages of star and galaxy formation, non-gravitational processes such as ram pressure stripping, SNs, galactic winds, AGNs, galaxy-galaxy mergers, etc... lead to the…
Primordial perturbations and non-Gaussianities from modulated trapping
David Langlois, Lorenzo Sorbo
We propose a new mechanism to generate primordial curvature perturbations, based on the resonant production of particles during inflation. It is known that this phenomenon can trap…
On the Suppression of Parametric Resonance and the Viability of Tachyonic Preheating after Multi-Field Inflation
Diana Battefeld, Thorsten Battefeld, John T. Giblin
We investigate the feasibility of explosive particle production via parametric resonance or tachyonic preheating in multi-field inflationary models by means of lattice simulations.…