Ingredients and Equations for Making a Magnetic Field in the Early Universe
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🌌 astro-ph
keywords
fieldmagneticearlyingredientsuniversebaryogenesisclassicalcoherent
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The ingredients required to create a magnetic field in the early Universe are identified, and compared with Sakharov's conditions for baryogenesis. It is also shown that a long range coherent magnetic field is not generated by the classical rolling Higgs vacuum expectation value during the electroweak phase transition.
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Cited by 1 Pith paper
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Revisiting constraints on magnetogenesis from baryon asymmetry
Maximally helical primordial U(1)_Y magnetic fields can generate both intergalactic magnetic fields and baryon asymmetry; non-helical fields may work if Higgs dynamics compensate helicity loss to ≲10^{-9-10} precision...
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