RIKEN Lunch Seminar

"Analytic solution of the Boltzmann equation in the early universe"

Presented by Jorge Noronha, University of Sao Paulo

Thursday, September 3, 2015, 12:30 pm — Building 510 Room 2-160

A general method for exactly computing the nonlinear collision term of the Boltzmann equation for a massless relativistic gas in a homogeneous and isotropic spacetime is presented. This approach is used to find an exact analytical solution of the nonlinear relativistic Boltzmann equation in a Friedmann-Robertson-Walker spacetime. This solution can be used to investigate analytically the interplay between global expansion and local thermalization in rapidly evolving systems.

Hosted by: Daniel Pitonyak

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