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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sadreev, Almas F. Bulgakov, Evgeny N. |
| Description | Country affiliation: RUSSIA Author Affiliation: Bulgakov EN ( Kirensky Institute of Physics, Academy of Sciences, 660036 Krasnoyarsk, Russia. Siberian State Aerospace University, Krasnoyarsk 660014, Russia.) |
| Abstract | We consider the trapping of electrons with a definite spin polarization by bound states in the continuum (BSC) in the open Aharonov-Bohm rings in the presence of the Rashba spin-orbit interaction (RSOI). Neglecting the Zeeman term we show the existence of BSCs in the one-dimensional ring when the eigenstates of the closed ring are doubly degenerate. With account of the Zeeman term BSCs occur only at the points of threefold degeneracy. The BSCs are found in the parametric space of flux and RSOI strength in close pairs with opposite spin polarization. Thereby the spin polarization of electrons transmitted through the ring can be altered by minor variation of magnetic or electric field at the vicinity of these pairs. Numerical simulations of the two-dimensional open ring show similar results for the BSCs. Encircling the BSC points in the parametric space of the flux and the RSOI constant gives rise to a geometric phase. |
| ISSN | 09538984 |
| e-ISSN | 1361648X |
| Journal | Journal of Physics: Condensed Matter |
| Issue Number | 26 |
| Volume Number | 28 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2016-07-06 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Materials Science |
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