Neutrino spin operator and dispersion in moving matter

Авторы: Grigoriev Alexander, Studenikin Alexander, Ternov Alexei
Журнал: European Physical Journal C
Том: 82
Номер: 4
Год издания: 2022
Издательство: Springer Verlag
Местоположение издательства: Germany
Первая страница: 1
Последняя страница: 6
Номер статьи: 287
DOI: 10.1140/epjc/s10052-022-10244-w
Аннотация: We found the spin integral of motion for neutrinos propagating in moving and polarized matter. Contraryto all previous studies this is the exact spin operator commuting with the Hamiltonian for a neutrino in matter whichmoves in an arbitrary direction relative to the direction ofneutrino propagation. The operator obtained opens up thepossibility of consistent classification of neutrino states insuch a medium and, as a consequence, a systematic description of the related physical phenomena. Using the operator,we obtain a dispersion relation for neutrinos in arbitrary moving matter and consider its particular cases.
Добавил в систему: Студеникин Александр Иванович

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