期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.156602
关键词
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资金
- RFBR
- Dynasty Foundation-ICFPM
- EU
- POLAPHEN
- University of the Basque Country UPV/EHU [GIU07/40]
- MCI of Spain [FIS2009-12773-C02-01]
- Grupos Consolidados UPV/EHU del Gobierno Vasco [IT-472-10]
We develop a theory of spin noise in semiconductor nanowires considered as prospective elements for spintronics. In these structures, spin-orbit coupling can be realized as a random function of a coordinate correlated on a spatial scale of the order of 10 nm. By analyzing different regimes of electron transport and spin dynamics, we demonstrate that the spin relaxation can be very slow, and the resulting noise power spectrum increases algebraically as the frequency goes to zero. This effect makes spin phenomena in nanowires best suitable for studies by rapidly developing spin-noise spectroscopy.
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