Stern-Gerlach spin filter using surface acoustic waves

Paulo V. Santos; Junsaku Nitta; Klaus H. Ploog

doi:10.1016/j.ssc.2004.08.038

Stern-Gerlach spin filter using surface acoustic waves

Paulo V. Santos, Junsaku Nitta, Klaus H. Ploog

研究成果: Article › 査読

2 被引用数 (Scopus)

抄録

We propose the ambipolar carrier transport by surface acoustic waves (SAWs) in a semiconductor quantum well (QW) for the realization of the Stern-Gerlach (SG) experiment in the solid phase. The well-defined and very low carrier velocity in the moving SAW field leads to a large deflection angle and thus to efficient spin separation, even for the weak field gradients and short (μm-long) interaction lengths that can be produced by micromagnets. The feasibility of a SG spin filter is discussed for different QW materials.

本文言語	English
ページ（範囲）	631-634
ページ数	4
ジャーナル	Solid State Communications
巻	132
号	9
DOI	https://doi.org/10.1016/j.ssc.2004.08.038
出版ステータス	Published - 2004 12 1
外部発表	はい

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Materials Chemistry

文献へのアクセス

10.1016/j.ssc.2004.08.038

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引用スタイル

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T1 - Stern-Gerlach spin filter using surface acoustic waves

AU - Santos, Paulo V.

AU - Nitta, Junsaku

AU - Ploog, Klaus H.

PY - 2004/12/1

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N2 - We propose the ambipolar carrier transport by surface acoustic waves (SAWs) in a semiconductor quantum well (QW) for the realization of the Stern-Gerlach (SG) experiment in the solid phase. The well-defined and very low carrier velocity in the moving SAW field leads to a large deflection angle and thus to efficient spin separation, even for the weak field gradients and short (μm-long) interaction lengths that can be produced by micromagnets. The feasibility of a SG spin filter is discussed for different QW materials.

AB - We propose the ambipolar carrier transport by surface acoustic waves (SAWs) in a semiconductor quantum well (QW) for the realization of the Stern-Gerlach (SG) experiment in the solid phase. The well-defined and very low carrier velocity in the moving SAW field leads to a large deflection angle and thus to efficient spin separation, even for the weak field gradients and short (μm-long) interaction lengths that can be produced by micromagnets. The feasibility of a SG spin filter is discussed for different QW materials.

KW - A. Quantum wells

KW - D. Electronic transport

KW - D. Piezoelectricity, electrostriction

KW - D. Spin dynamics

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JO - Solid State Communications

JF - Solid State Communications

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