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On chirality of the vorticity of the Universe

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arxiv 0802.2060 v4 pith:6J37UMRX submitted 2008-02-14 astro-ph gr-qchep-phhep-th

On chirality of the vorticity of the Universe

classification astro-ph gr-qchep-phhep-th
keywords universechiralityvorticityspineinstein-cartanevolutionactsaveraged
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study chirality of the vorticity of the Universe within the Einstein-Cartan cosmology. The role of the spin of fermion species during the evolution of the Universe is studied by averaged spin densities and Einstein-Cartan equations. It is shown that spin density of the light Majorana neutrinos acts as a seed for vorticity at early stages of the evolution of the Universe. Its chirality can be evaluated in the vicinity of the spacelike infinity. It turns out that vorticity of the Universe has right-handed chirality.

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