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Jean-Sébastien Gagnon

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Related publications (2)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Baryon asymmetry of the Universe without Boltzmann or Kadanoff-Baym equations

Mikhail Chapochnikov, Jean-Sébastien Gagnon

We present a formalism that allows the computation of the baryon asymmetry of the Universe, from the first principles of statistical physics and quantum field theory, that is applicable to certain types of physics beyond the standard model (such as the neu ...

American Physical Society2011

Dark goo: bulk viscosity as an alternative to dark energy

Julien Lesgourgues, Jean-Sébastien Gagnon

We present a simple (microscopic) model in which bulk viscosity plays a role in explaining the present acceleration of the universe. The effect of bulk viscosity on the Friedmann equations is to turn the pressure into an "effective" pressure containing the ...

2011