Spin-flavor oscillations of Dirac neutrinos in a plane electromagnetic wave

Abstract

We study spin and spin-flavor oscillations of Dirac neutrinos in a plane electromagnetic wave with circular polarization. The evolution of massive neutrinos with nonzero magnetic moments in the field of an electromagnetic wave is based on the exact solution of the Dirac-Pauli equation. We formulate the initial condition problem to describe spin-flavor oscillations in an electromagnetic wave. The transition probabilities for spin and spin-flavor oscillations are obtained. In case of spin-flavor oscillations, we analyze the transition and survival probabilities for different neutrino magnetic moments and various channels of neutrino oscillations. As an application of the obtained results, we study the possibility of existence of ${\nu }_{e\mathrm{L}}\to {\nu }_{\mu \mathrm{R}}$ oscillations in an electromagnetic wave emitted by a highly magnetized neutron star. Our results are compared with findings of other authors.

23 pages in LaTeX2e, 23 eps figures; paper was significantly extended, new Sec. 5 was added, several new figures and references were included; version published in PRD

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Cited by in corpus (7)

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• Quantum field theory treatment of neutrino flavor oscillations in matter
• Spin-flavor oscillations of Dirac neutrinos in matter under the influence of a plane electromagnetic wave
• Neutrino oscillation in the presence of background classical sources
• Spin and flavor oscillations of neutrinos in gravitational fields