双希格斯二重态模型中电弱相变的不可微扰分析
高能物理 - 唯象学
2018-11-21 v4
摘要
我们通过推导该模型降维的高温有效理论,并与已知有效理论相图结果匹配,对双希格斯二重态模型(2HDM)中的电弱相变(EWPT)进行不可微扰研究。我们发现了参数空间中存在一级相变的区域。特别地,我们的发现与先前微扰结果一致,表明 2HDM 中一级 EWPT 的主要特征是 。
引用
@article{arxiv.1711.09849,
title = {Nonperturbative Analysis of the Electroweak Phase Transition in the Two Higgs Doublet Model},
author = {Jens O. Andersen and Tyler Gorda and Andreas Helset and Lauri Niemi and Tuomas V. I. Tenkanen and Anders Tranberg and Aleksi Vuorinen and David J. Weir},
journal= {arXiv preprint arXiv:1711.09849},
year = {2018}
}
备注
13 pages, v2: references added, two loop scan results and discussion of dimension 6 operators added; v3: corrected minor errors in scanning, added discussion of model constraints; v4: title changed, further minor changes to body, added plot of effective potential, published in PRL