Edge absorption and pure spin current in a 2D topological insulator in the Volkov-Pankratov model

M. M. Mahmoodian; L. I. Magarill; M. V. Entin

doi:10.1088/1361-648X/aa8849

Edge absorption and pure spin current in a 2D topological insulator in the Volkov-Pankratov model

M. M. Mahmoodian, L. I. Magarill, M. V. Entin

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

4 Цитирования (Scopus)

Аннотация

Light absorption due to transitions between the edge and two-dimensional (2D) states of a 2D topological insulator (TI) is considered in the Volkov-Pankratov model. It is shown that the transitions are allowed only for the in-plane electric field orthogonal to the TI edge. It is found that the absorption is accompanied by pure spin photocurrent along the TI edge. A possibility of spin current measurement using polarized luminescence from 2D TI quantum dots is discussed.

Язык оригинала	английский
Номер статьи	435303
Число страниц	5
Журнал	Journal of Physics Condensed Matter
Том	29
Номер выпуска	43
DOI	https://doi.org/10.1088/1361-648X/aa8849
Состояние	Опубликовано - 27 сен 2017

Доступ к документу

10.1088/1361-648X/aa8849

Link to publication in Scopus

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Цитировать

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keywords = "2D topological insulator, Edge states, Light absorption, Pure spin current, SUPERCONDUCTIVITY, pure spin current, light absorption, STATE, edge states",

author = "Mahmoodian, {M. M.} and Magarill, {L. I.} and Entin, {M. V.}",

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Edge absorption and pure spin current in a 2D topological insulator in the Volkov-Pankratov model. / Mahmoodian, M. M.; Magarill, L. I.; Entin, M. V.

В: Journal of Physics Condensed Matter, Том 29, № 43, 435303, 27.09.2017.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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