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The sphaleron rate at the electroweak crossover with 125 GeV Higgs mass
Michela D'Onofrio, Kari Rummukainen, Anders Tranberg
We measure the sphaleron rate with the physical parameters of the Standard Model. In particular, we plug into the calculations the recently found Higgs mass m_H = 125 GeV. The spha…
Four results on phi^4 oscillons in D+1 dimensions
Erik Alexander Andersen, Anders Tranberg
We present four results for oscillons in classical phi^4 theory in D+1 space-time dimensions, based on numerical simulations. These include the oscillon lifetime and the dependence…
On using Cold Baryogenesis to constrain the Two-Higgs Doublet Model
Anders Tranberg, Bin Wu
We consider the creation of the cosmological baryon asymmetry in the Two Higgs Doublet Model. We imagine a situation where the masses of the five Higgs particles and the two Higgs…
Computing the temperature dependence of effective CP violation in the standard model
Tomas Brauner, Olli Taanila, Anders Tranberg +1
CP violation in the standard model originates from the Cabibbo-Kobayashi-Maskawa mixing matrix. Upon integrating all fermions out of the theory, its effects are captured by a serie…
Quantum Corrections to Inflaton and Curvaton Dynamics
Tommi Markkanen, Anders Tranberg
We compute the fully renormalized one-loop effective action for two interacting and self-interacting scalar fields in FRW space-time. We then derive and solve the quantum corrected…
The Sphaleron Rate through the Electroweak Cross-over
Michela D'Onofrio, Kari Rummukainen, Anders Tranberg
Using lattice simulations, we measure the sphaleron rate in the Standard Model as a function of temperature through the electroweak cross-over, for the Higgs masses m_H=115 and m_H…