Chirality in the Early Universe
Ngee Pong Chang
Abstract
The early big bang is an alphabet soup of quarks, W bosons, gluons, and other exotic particles and flavors. In the usual scenario, there is no place for the pion. It dissociates in the alphabet soup of the early universe. I will show that this scenario is naive. The thermal vacuum is a far more complex state, and the pion remains a Nambu-Goldstone particle at high T, and will not dissociate. It propagates at the speed of light but with a halo.
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