Date and time: January 9th, 2018 at 15:00 (CET)
Speaker: S. Davidson (CNRS)
Abstract: The QCD Axion is a Beyond-the-standard-model Curiosity. Originally introduced to solve the strong CP problem, it is effectively described by  a one-particle, one-parameter new physics model,  and, despite having a mass comparable to the neutrino's, it is a Cold Dark Matter candidate. In the scenario where the axion is born after inflation, I will review the growth of Large Scale Structure in the presence of axion CDM, and speculate about  axion configurations in our galaxy today.
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