Gravitational waves from the first order phase transition of the Higgs field at high energy scales

Understand

In a wide class of new physics models, there exist scalar fields that obtain vacuum expectation values of high energy scales.

• We study the possibility that the standard model Higgs field has experienced first order phase transition at the high energy scale due to the couplings with these scalar fields.
• We estimate the amount of gravitational waves produced by the phase transition, and discuss observational consequences.