Prospects for Neutrino-Antineutrino Transformation in Astrophysical Environments
classification
🌌 astro-ph.HE
hep-ph
keywords
feedbackneutrino-antineutrinotransformationanalysisastrophysicalbinarycoherencecoherent
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We examine whether the newly derived neutrino spin coherence could lead to large-scale coherent neutrino-antineutrino conversion. In a linear analysis we find that such transformation is largely suppressed, but demonstrate that nonlinear feedback can enhance it. We point out that conditions which favor this feedback may exist in core collapse supernovae and in binary neutron star mergers.
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Cited by 1 Pith paper
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Collective neutrino-antineutrino pair oscillations
In anisotropic neutrino gases, νν-bar pairing instabilities emerge when the excessive pair-occupation number distribution changes sign, producing pair conversions at growth rates comparable to fast flavor instabilities.
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