Publication: Spin dynamics in nonuniform electromagnetic wave fields
Дата
2023
Авторы
Journal Title
Journal ISSN
Volume Title
Издатель
Аннотация
Based on solution of Dirac equation, the dynamics of a quantum particle with a half-integer spin (fermion) in the field of an arbitrary inhomogeneous electromagnetic wave has been analysed revealing some features of bound motion defined by so-called optical lattice (channeling). It is shown that, in the first order of expansion in longitudinal energy, the effective interaction potential of a fermion coincides with that of a scalar particle, while the spin features of interaction in this field appear only in the next expansion term. Semiclassical approximation in a spin dynamics for an arbitrary particle in an inhomogeneous optical lattice field indicates that at channeling conditions the polarisation vector affirms a smooth precession, the rate of which is defined by the difference between the magnetic moment of the particle and its anomalous part.
Описание
Ключевые слова
Semiclassical physics , Particle Beam Dynamics , Optical lattice
Цитирование
Dik, A. V. Spin dynamics in nonuniform electromagnetic wave fields / Dik, A. V., Dabagov, S. B. // Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - 2023. - 839. - 10.1016/j.physletb.2023.137786
URI
https://www.doi.org/10.1016/j.physletb.2023.137786
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https://openrepository.mephi.ru/handle/123456789/29990
https://www.scopus.com/record/display.uri?eid=2-s2.0-85148725060&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000951475900001
https://openrepository.mephi.ru/handle/123456789/29990