Nonperturbative Analysis of the Electroweak Phase Transition in the Two Higgs Doublet Model

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Andersen , J O , Gorda , T , Helset , A , Niemi , L , Tenkanen , T V , Tranberg , A , Vuorinen , A & Weir , D J 2018 , ' Nonperturbative Analysis of the Electroweak Phase Transition in the Two Higgs Doublet Model ' , Physical Review Letters , vol. 121 , no. 19 , 191802 . https://doi.org/10.1103/PhysRevLett.121.191802

Title: Nonperturbative Analysis of the Electroweak Phase Transition in the Two Higgs Doublet Model
Author: Andersen, Jens O.; Gorda, Tyler; Helset, Andreas; Niemi, Lauri; Tenkanen, Tuomas V.; Tranberg, Anders; Vuorinen, Aleksi; Weir, David J.
Contributor organization: Department of Physics
Helsinki Institute of Physics
Date: 2018-11-07
Language: eng
Number of pages: 6
Belongs to series: Physical Review Letters
ISSN: 0031-9007
DOI: https://doi.org/10.1103/PhysRevLett.121.191802
URI: http://hdl.handle.net/10138/268482
Abstract: We perform a nonperturbative study of the electroweak phase transition (EWPT) in the two Higgs doublet model (2HDM) by deriving a dimensionally reduced high-temperature effective theory for the model, and matching to known results for the phase diagram of the effective theory. We find regions of the parameter space where the theory exhibits a first-order phase transition. In particular, our findings are consistent with previous perturbative results suggesting that the primary signature of a first-order EWPT in the 2HDM is m(A0) > m(H0) + m(Z).
Subject: TEMPERATURE DIMENSIONAL REDUCTION
FINITE-TEMPERATURE
STANDARD MODEL
PERTURBATION-THEORY
MSSM
114 Physical sciences
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion
Funder: Valtion perusrahoitus/hankkeet
Valtion perusrahoitus/hankkeet
SUOMEN AKATEMIA
SUOMEN AKATEMIA
Helsingin yliopisto
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