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- Title
Neutrinos in Electromagnetic Fields and Moving Media.
- Authors
Studenikin, A.I.
- Abstract
The history of the development of the theory of neutrino-flavor and neutrino-spin oscillations in electromagnetic fields and in a medium is briefly surveyed. A new Lorentz-invariant approach to describing neutrino oscillations in a medium is formulated in such a way that it makes it possible to consider the motion of a medium at an arbitrary velocity, including relativistic ones. This approach permits studying neutrino-spin oscillations under the effect of an arbitrary external electromagnetic field. In particular, it is predicted that, in the field of an electromagnetic wave, new resonances may exist in neutrino oscillations. In the case of spin oscillations in various electromagnetic fields, the concept of a critical magnetic-field-component strength is introduced above which the oscillations become sizable. In considering neutrino oscillations in moving matter, it is shown within the Lorentz-invariant formalism that the relativistic motion of matter significantly affects the character of neutrino oscillations and can radically change the conditions under which the oscillations are resonantly enhanced. Possible new effects in neutrino oscillations are discussed for the case of neutrino propagation in relativistic fluxes of matter.© 2004 MAIK “Nauka / Interperiodica”.
- Subjects
ELECTROMAGNETIC fields; MAGNETIC fields; ELECTROMAGNETIC mass shift; NEUTRINOS; NEUTRINO interactions; OSCILLATIONS
- Publication
Physics of Atomic Nuclei, 2004, Vol 67, Issue 5, p993
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/1.1755390