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The evolution of states and phase transitions under cooling of the early universe within the two-Higgs-doublet model
Ginzburg, I. F.; Ivanov, Igor; Kanishev, K. A.
2010In Russian Physics Journal, 53 (6), p. 575-600
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Abstract :
[en] The two-Higgs-doublet model (2HDM) realizes ground states (vacuum) with different properties for different parameter values. The parameters of the effective potential change during cooling of the Universe after the Big Bang. In so doing, the properties of vacuum state can be affected, phase transitions take place. The evolution of phase states and the set of phase transitions can turn out to be much wider than those accounted for within the conventional Standard model (SM) with a single Higgs doublet. The phase history of the Universe is analyzed for any specified set of the 2HDM parameters. All possible variants of the history are considered. Sets of modern, observed, in principle, parameters corresponding to different sequences of thermal phase transitions are determined. Possible cosmological consequences are briefly discussed.
Disciplines :
Physics
Author, co-author :
Ginzburg, I. F.;  Novosibirsk State University
Ivanov, Igor ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Interactions fondamentales en physique et astrophysique
Kanishev, K. A.;  Novosibirsk State University
Language :
English
Title :
The evolution of states and phase transitions under cooling of the early universe within the two-Higgs-doublet model
Publication date :
June 2010
Event name :
2009 Baikal Summer School On Physics Of Elementary Particles And Astrophysics
Event organizer :
JINR, Dubna, and Irkutsk State University, Irkutsk
Event place :
Bolshie Koty, Russia
Event date :
23-30 July 2009
By request :
Yes
Audience :
International
Journal title :
Russian Physics Journal
ISSN :
1064-8887
Publisher :
Springer Science & Business Media B.V.
Volume :
53
Issue :
6
Pages :
575-600
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 23 February 2011

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