Giant super-poissonian shot noise in spin-polarized SET structures
We study transport of spin-polarized electrons through a magnetic single-electron transistor (SET) in the presence of an external magnetic field. Assuming the SET to have a nanometer-sized central island with a single electron level, we find that the zero-frequency shot noise diverges as the on-do...
Збережено в:
| Дата: | 2007 |
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| Автори: | , , , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2007
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| Назва видання: | Физика низких температур |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/120931 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Giant super-poissonian shot noise in spin-polarized SET structures / L.Y. Gorelik, S.I. Kulinich, R.I. Shekhter, M. Jonson, V.M. Vinokur // Физика низких температур. — 2007. — Т. 33, № 9. — С. 997–1001. — Бібліогр.: 12 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | We study transport of spin-polarized electrons through a magnetic single-electron transistor (SET) in the
presence of an external magnetic field. Assuming the SET to have a nanometer-sized central island with a
single electron level, we find that the zero-frequency shot noise diverges as the on-dot spin-flip rate goes to
zero, provided the source and drain leads are completely polarized in the same direction. We present an analytical
expression for the low-frequency super-poissonian shot noise that allows one to specify the necessary
conditions for the experimental observation of the phenomenon. |
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