The generation of matter-antimatter asymmetries and hypermagnetic fields by the chiral vortical effect of transient fluctuations
We study the contribution of temperature-dependent chiral vortical effect to the generation and evolution of the hypermagnetic fields and the matter-antimatter asymmetries, in the symmetric phase of the early Universe, in the temperature range \(100\mbox{GeV} \le T\le 10\mbox{TeV}\). Our most import...
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Abstract | We study the contribution of temperature-dependent chiral vortical effect to the generation and evolution of the hypermagnetic fields and the matter-antimatter asymmetries, in the symmetric phase of the early Universe, in the temperature range \(100\mbox{GeV} \le T\le 10\mbox{TeV}\). Our most important result is that, due to the chiral vortical effect, small overlapping transient fluctuations in the vorticity field in the plasma and temperature of matter degrees of freedom can lead to the generation of strong hypermagnetic fields and matter-antimatter asymmetries, all starting from zero initial values. We show that, either an increase in the amplitudes of the fluctuations of vorticity or temperature, or a decrease in their widths, leads to the production of stronger hypermagnetic fields, and therefore, larger matter-antimatter asymmetries. We have the interesting result that fluctuating vorticity fields are more productive, by many orders of magnitude, as compared to vorticities that are constant in time. |
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AbstractList | We study the contribution of temperature-dependent chiral vortical effect to
the generation and evolution of the hypermagnetic fields and the
matter-antimatter asymmetries, in the symmetric phase of the early Universe, in
the temperature range $100\mbox{GeV} \le T\le 10\mbox{TeV}$. Our most important
result is that, due to the chiral vortical effect, small overlapping transient
fluctuations in the vorticity field in the plasma and temperature of matter
degrees of freedom can lead to the generation of strong hypermagnetic fields
and matter-antimatter asymmetries, all starting from zero initial values. We
show that, either an increase in the amplitudes of the fluctuations of
vorticity or temperature, or a decrease in their widths, leads to the
production of stronger hypermagnetic fields, and therefore, larger
matter-antimatter asymmetries. We have the interesting result that fluctuating
vorticity fields are more productive, by many orders of magnitude, as compared
to vorticities that are constant in time. We study the contribution of temperature-dependent chiral vortical effect to the generation and evolution of the hypermagnetic fields and the matter-antimatter asymmetries, in the symmetric phase of the early Universe, in the temperature range \(100\mbox{GeV} \le T\le 10\mbox{TeV}\). Our most important result is that, due to the chiral vortical effect, small overlapping transient fluctuations in the vorticity field in the plasma and temperature of matter degrees of freedom can lead to the generation of strong hypermagnetic fields and matter-antimatter asymmetries, all starting from zero initial values. We show that, either an increase in the amplitudes of the fluctuations of vorticity or temperature, or a decrease in their widths, leads to the production of stronger hypermagnetic fields, and therefore, larger matter-antimatter asymmetries. We have the interesting result that fluctuating vorticity fields are more productive, by many orders of magnitude, as compared to vorticities that are constant in time. |
Author | S Rostam Zadeh Mehraeen, M Gousheh, S S Abbaslu, S |
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BackLink | https://doi.org/10.1140/epjc/s10052-021-09272-9$$DView published paper (Access to full text may be restricted) https://doi.org/10.48550/arXiv.2001.03499$$DView paper in arXiv |
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Snippet | We study the contribution of temperature-dependent chiral vortical effect to the generation and evolution of the hypermagnetic fields and the matter-antimatter... We study the contribution of temperature-dependent chiral vortical effect to the generation and evolution of the hypermagnetic fields and the matter-antimatter... |
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SubjectTerms | Antimatter Asymmetry Helicity Physics - High Energy Physics - Phenomenology Temperature dependence Variation Vorticity |
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