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Effect of strong magnetic field on the first-order electroweak phase transition

R. Fiore, A. Tiesi, L. Masperi, A. Megevand

hep-pharXiv:hep-ph/9804336

Abstract

The broken-symmetry electroweak vacuum is destabilized in the presence of a magnetic field stronger than a critical value. Such magnetic field may be generated in the phase transition and restore the symmetry inside the bubbles. A numerical calculation indicates that the first-order phase transition is delayed but may be completed for a sufficient low value of the Higgs mass unless the magnetic field is extremely high.

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