McGill.CA / Science / Department of Physics

HEP Theory Journal Club

Axionic landscape for marginal Higgs stability

Jim Cline

McGill

The values of mh and mt are curiously close to the edge of disaster, if nothing new happens to stabilize the Higgs field at very high scales, suggesting an anthropic reason for taking these values. I present a simple model providing landscape of vacua that could explain this, using the minima of an axionic field with a nonperiodic potential (monodromy). I claim that relative probabilities of the different vacuum states populated during inflation are calculable, offering a potential solution to the measure problem in this context.

Friday, February 9th 2018, 12:30
Ernest Rutherford Physics Building, room 326