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dc.creatorLeitao, Leonardo-
dc.creatorMegevand, Ariel Hugo-
dc.date2018-10-23T19:24:51Z-
dc.date2018-10-23T19:24:51Z-
dc.date2016-05-
dc.date2018-10-23T13:45:46Z-
dc.date.accessioned2019-04-29T15:47:06Z-
dc.date.available2019-04-29T15:47:06Z-
dc.date.issued2018-10-23T19:24:51Z-
dc.date.issued2018-10-23T19:24:51Z-
dc.date.issued2016-05-
dc.date.issued2018-10-23T13:45:46Z-
dc.identifierLeitao, Leonardo; Megevand, Ariel Hugo; Gravitational waves from a very strong electroweak phase transition; IOP Publishing; Journal of Cosmology and Astroparticle Physics; 2016; 5; 5-2016; 1-30-
dc.identifier1475-7516-
dc.identifierhttp://hdl.handle.net/11336/62945-
dc.identifierCONICET Digital-
dc.identifierCONICET-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/301924-
dc.descriptionWe investigate the production of a stochastic background of gravitational waves in the electroweak phase transition. We consider extensions of the Standard Model which can give very strongly first-order phase transitions, such that the transition fronts either propagate as detonations or run away. To compute the bubble wall velocity, we estimate the friction with the plasma and take into account the hydrodynamics. We track the development of the phase transition up to the percolation time, and we calculate the gravitational wave spectrum generated by bubble collisions, magnetohydrodynamic turbulence, and sound waves. For the kinds of models we consider, we find parameter regions for which the gravitational waves are potentially observable at the planned space-based interferometer eLISA. In such cases, the signal from sound waves is generally dominant, while that from bubble collisions is the least significant of them. Since the sound waves and turbulence mechanisms are diminished for runaway walls, the models with the best prospects of detection at eLISA are those which do not have such solutions. In particular, we find that heavy extra bosons provide stronger gravitational wave signals than tree-level terms.-
dc.descriptionFil: Leitao, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Físicas de Mar del Plata. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Físicas de Mar del Plata; Argentina-
dc.descriptionFil: Megevand, Ariel Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Físicas de Mar del Plata. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Físicas de Mar del Plata; Argentina-
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dc.languageeng-
dc.publisherIOP Publishing-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/1475-7516/2016/05/037-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.1088/1475-7516/2016/05/037/meta-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1512.08962-
dc.rightsinfo:eu-repo/semantics/openAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.subjectCOSMOLOGICAL PHASE TRANSITIONS-
dc.subjectCOSMOLOGY OF THEORIES BEYOND THE SM-
dc.subjectGRAVITATIONAL WAVES / SOURCES-
dc.subjectAstronomía-
dc.subjectCiencias Físicas-
dc.subjectCIENCIAS NATURALES Y EXACTAS-
dc.titleGravitational waves from a very strong electroweak phase transition-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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