Résumé |
The QCD axion, a fascinating hypothetical particle proposed about 50 years
ago, might explain one of the universe's lingering mysteries: why strong
interactions don't seem to break CP symmetry. Perhaps more importantly, it
remains one of the most exciting dark matter candidates.\newline
In my talk, I will delve into a compelling question: could axions condense
inside neutron stars, due to the high baryon densities in their cores? Using
Chiral Perturbation Theory and nuclear interaction models from Chiral
Effective Field Theory, I will demonstrate why this exotic phenomenon could
indeed be possible.\newline
If we can find evidence for---or against---axion condensation within neutron
stars, it could probe vast regions of the axion parameter space. The
implications for our understanding of both axions and neutron stars will be
significant. |