The Berry phase. The simplest derivation and relation to EDM experiments with UCNстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Автор:
Ignatovich V.K.
Журнал:
American Journal of Physics
Том:
76
Номер:
3
Год издания:
2008
Издательство:
American Association of Physics Teachers
Местоположение издательства:
United States
Первая страница:
258
Последняя страница:
264
Аннотация:
I derive the effective phase of the spin precession for a neutral particle with spin 1/2 moving in a
superposition of constant and radio frequency fields. The fields are perpendicular to each other at all
times, and the radio frequency field is slowly rotating with angular speed . The derivation is
accomplished with the help of the exact solution of the Schrödinger equation. I show that the
geometrical or Berry phase is the linear term in the power series expansion of the effective phase
in terms of . I also discuss the role of the Berry phase in the experimental search for an electric
dipole moment of the neutron with ultracold neutrons. © 2008 American Association of Physics Teachers.
Добавил в систему:
Игнатович Владимир Казимирович