Magneto-polarisability of mesoscopic rings

Дата и время публикации : 1996-10-10T09:22:55Z

Авторы публикации и институты :
Yves Noat
Bertrand Reulet
Helene Bouchiat

Ссылка на журнал-издание: Ссылка на журнал-издание не найдена
Коментарии к cтатье: pages, Revtex, 1 eps figure
Первичная категория: cond-mat.mes-hall

Все категории : cond-mat.mes-hall

Краткий обзор статьи: We calculate the average polarisability of two dimensional mesoscopic rings in the presence of an Aharonov-Bohm flux. The screening is taken into account self-consistently within a mean-field approximation. We investigate the effects of statistical ensemble, finite frequency and disorder. We emphasize geometrical effects which make the observation of field dependent polarisability much more favourable on rings than on disks or spheres of comparable radius. The ratio of the flux dependent to the flux independent part is estimated for typical GaAs rings.

Category: Physics