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Does zero temperature decide on the nature of the electroweak phase transition?
Journal of High Energy Physics
Taking on a new perspective of the electroweak phase transition, we investigate in detail the role played by the depth of the electroweak minimum ("vacuum energy difference"). We find a strong correlation between the vacuum energy difference and the strength of the phase transition. This correlation only breaks down if a negative eigenvalue develops upon thermal corrections in the squared scalar mass matrix in the broken vacuum before the critical temperature. As a result the scalar fieldsdoi:10.1007/jhep06(2016)005 fatcat:e4nd7wxrgnfs7idaeo624n5uzq