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The propagation of cosmic neutrinos can be influenced by interstellar magnetic fields if neutrinos have a nonzero magnetic moment. In order to treat the effect of a stochastic component of an interstellar magnetic field on the cosmic neutrino propagation, we employ the formalism of the Lindblad master equation for describing the neutrino density matrix evolution. We present the expressions for the probabilities of the flavor and spin oscillations of Dirac neutrinos in a fluctuating magnetic field, which are derived on the basis of the analytical solution of the Lindblad master equation.

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Propagation and Oscillations of Cosmic Neutrinos in a Stochastic Magnetic Field

  • 会议论文

  • 出版模式：

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  • 发表日期：

    2026年

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  • Konstantin Kouzakov,
  • Anastasia Nikolaeva,
  • Alexander Studenikin

摘要

The propagation of cosmic neutrinos can be influenced by interstellar magnetic fields if neutrinos have a nonzero magnetic moment. In order to treat the effect of a stochastic component of an interstellar magnetic field on the cosmic neutrino propagation, we employ the formalism of the Lindblad master equation for describing the neutrino density matrix evolution. We present the expressions for the probabilities of the flavor and spin oscillations of Dirac neutrinos in a fluctuating magnetic field, which are derived on the basis of the analytical solution of the Lindblad master equation.