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astro-ph2004
Transient Accelerated Expansion and Double Quintessence
D. Blais, D. Polarski
We consider Double Quintessence models for which the Dark Energy sector consists of two coupled scalar fields. We study in particular the possibility to have a transient accelerati…
astro-ph2003
Peculiar Relics from Primordial Black Holes in the Inflationary Paradigm
A. Barrau, D. Blais, G. Boudoul +1
Depending on various assumptions on the energy scale of inflation and assuming a primordial power spectrum of a Broken Scale Invariance (BSI) type, we explore the possibility for P…
astro-ph2002
Galactic Cosmic Rays from PBHs and Primordial Spectra with a Scale
A. Barrau, D. Blais, G. Boudoul +1
We consider the observational constraints from the detection of antiprotons in the Galaxy on the amount of Primordial Black Holes (PBH) produced from primordial power spectra with…