Lepton asymmetries and primordial hypermagnetic helicity evolution
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Lepton asymmetries and primordial hypermagnetic helicity evolution

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Lepton asymmetries and primordial hypermagnetic helicity evolution

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Semikoz, Victor B.; Sokoloff, D.D.; Furtado Valle, José Wagner Perfil
Aquest document és un/a article, creat/da en: 2012
The hypermagnetic helicity density at the electroweak phase transition (EWPT) exceeds many orders of magnitude the galactic magnetic helicity density. Together with previous magnetic helicity evolution calculations after the EWPT and hypermagnetic helicity conversion to the magnetic one at the EWPT, the present calculation completes the description of the evolution of this important topological feature of cosmological magnetic fields. It suggests that if the magnetic field seeding the galactic dynamo has a primordial origin, it should be substantially helical. This should be taken into account in scenarios of galactic magnetic field evolution with a cosmological seed.

    Semikoz, Victor B. Sokoloff, D.D. Furtado Valle, José Wagner 2012 Lepton asymmetries and primordial hypermagnetic helicity evolution Journal Of Cosmology And Astroparticle Physics 06 6 008
http://dx.doi.org/10.1088/1475-7516/2012/06/008
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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