Interface Tension of the Electroweak Phase Transition
F. Csikor, Z. Fodor, J. Hein, J. Heitger
TL;DR
This paper presents a nonperturbative lattice study of the interface tension during the electroweak phase transition at a Higgs mass of about 35 GeV, confirming previous theoretical and computational results.
Contribution
It provides the first nonperturbative lattice calculation of the interface tension for the finite-temperature electroweak phase transition.
Findings
The lattice results agree with the two-coupling method.
The results are consistent with perturbative predictions.
Tunnelling phenomena are used to determine the interface tension.
Abstract
In our nonperturbative lattice investigation we study the interface tension of the finite-temperature electroweak phase transition. In this analysis the Higgs mass has been chosen to be about GeV. At the transition point of a finite volume system, tunnelling between the symmetric and the Higgs phase takes place. This phenomenon leads to a splitting of the ground state, which can be used to determine the interface tension. The result obtained this way agrees with the result of the two-coupling method and with the prediction of the perturbative approach.
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