cold electroweak baryogenesis through halo collapse

Not scheduled
The Grand Sumorum, Jeju

The Grand Sumorum, Jeju

114, Maksukpo-ro, Seogwipo-si, Jeju Special Self-Governing Province (1513, Beophwan-dong)


Graham White (IPMU)


I will present a very simple scenario where a Yukawa interaction causes
metastable halos to form in the early Universe. When the halo collapses a fireball
results with a temperature above that of the electroweak symmetry breaking scale.
This fireball is functionally similar to an electroweak bubble, except the inside is
where sphalerons are unsupressed. I then give a concrete scenario where the
baryon asymmetry can be produced.

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