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Giant shot noise du...
Giant shot noise due to mechanical transportation of spin-polarized electrons
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- Gorelik, Leonid, 1952 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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Kulinich, Sergeij I. (författare)
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- Shekhter, Robert I., 1947 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
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- Jonson, Mats, 1947 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
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Vinokur, V. M. (författare)
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(creator_code:org_t)
- 2008
- 2008
- Engelska.
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Ingår i: Physical Review B. - 1098-0121. ; 77:17, s. 174304-
- Relaterad länk:
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http://dx.doi.org/10...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- We show that single-electron "shuttling" of electrons in a magnetic nanoelectromechanical single-electron transistor device can be an efficient tool for studying electron spin-flip relaxation on quantum dots. The reason is traced to a spin blockade of the mechanically aided shuttle current that occurs in devices with highly polarized and collinearly magnetized leads. This results in giant peaks in the shot-noise spectral function, wherein the peak heights are only limited by the rate of electronic spin flips. Therefore, we show that nanomechanical spectroscopy of the spin-flip rate is possible, allowing spin-flip relaxation times as long as 10 mu s to be detected.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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