KEK Theory Seminar(Dr.Yu Hamada)

 
CategoryTheory Seminar
Start2020/05/12（Tue）11:00 AM
End2020/05/12（Tue）12:00 PM
VenueOnline (Zoom)
TitleTopological Nambu monopole in two Higgs doublet models
SpeakerDr. Yu Hamada ( Kyoto University )
Language英語/English
Contactschigusa-AT-post.kek.jp
Website
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Abstract

Two Higgs doublet model (2HDM), in which one more Higgs doublet is added to the Standard Model(SM), is one of the most simple extensions of the SM. 2HDM allows a solitonic object called as the Nambu monopole, which is a magnetic monopole attached with two vortex strings. We show that the monopole is topologically stable when the Higgs potential has a global U(1) symmetry and a Z2Z2 symmetry. We also discuss phenomenological implications of the monopole. This talk is based on arXiv:1904.09269 and 2003.08772.

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