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Non-Abelian Boltzmann Equation for Mixing and Decoherence

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arxiv hep-ph/9209276 v1 pith:KVQTTT3L submitted 1992-09-24 hep-ph astro-ph

classification hep-phastro-ph
keywords dampingdecoherencemixingnon-abelianbecomeblockingboltzmannboltzmann-like
verification ladder T0 review T1 audit T2 compute T3 formal
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We consider particle oscillations and their damping in second-quantized form. We find that the damping or "decoherence" may be described by a Boltzmann-like collision integral with "non-abelian blocking factors" (fermions). Earlier results are generalized in that the momentum degrees of freedom are included and that the mixing equations become intrinsically non-linear at high densities.

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Cited by 3 Pith papers

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    astro-ph.CO 2019-08 accept novelty 7.0 of 10

    The paper derives exact, coordinate-independent equations for cosmological observables on a new 'observer space-time' manifold, using tetrads to track the observer frame.

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    hep-ph 2019-08 conditional novelty 7.0 of 10

    Solving the density matrix equation shows the Landau-Zener approximation overestimates the Higgs-induced right-handed neutrino dark matter abundance by many orders of magnitude, changing the predicted dark matter mass range.

  3. Flavor--Kinetic Entanglement Production from Decay and Scattering at Finite Density

    hep-ph 2026-08 conditional novelty 6.0 of 10

    At finite density, the leading flavor-kinetic entanglement entropy equals twice the occupation-weighted branch-changing collision probability, and this quantity is used to diagnose first-order versus continuous therma...

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