シリコンにおけるライドバーグ状態の一貫した制御
P T Greenland1, S A Lynch, A F G van der Meer
1London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, London WC1H 0AH, UK. ptg@globalnet.co.uk
Nature
|June 26, 2010
まとめ
研究者らは,ライドバーグ状態を用いて,を添加したシリコンにおける不純物波動の一貫した制御を実証した. この画期的な発見により,固体における量子制御が可能になり,新しい固体状態の応用への道が開けています.
科学分野:
- 量子物理学とは,量子物理学のことです.
- 原子物理学 原子物理学とは
- 固体物理学 固体物理学とは
背景:
- レーザー冷却と電磁気トラップは原子物理学に革命を起こし,ボース・アインシュタイン凝縮や単一の原子の量子制御のような発見を可能にしました.
- 興奮したライドバーグ状態は,波動が著しく膨張し,量子制御に不可欠な,遠くの原子間の強い相互作用を可能にします.
- リードバーグの状態の固体状態の実装は,実用的なアプリケーションのために非常に望ましいです.
研究 の 目的:
- 固体系の不純物波動関数の一貫した制御を実証する.
- 半導体における量子制御のためのライドバーグ状態の使用を調査する.
- 固体内の軌道を制御するコヒーレントテラヘルツ放射線の応用を調査する.
主な方法:
- 固体システムとして,を添加したシリコンを使用した.
- 自由電子レーザーを使って量子現象を刺激し観察した.
- 観測されたフォトンのエコーとラビ振動は,磁気共振スペクトロスコピーの現象に類似しています.
主要な成果:
- phosphorus-dopedシリコンにおける不純物質の波動関数の一貫した制御が成功裏に実証されました.
- ハーン・スピン・エコー (フォトン・エコー) とラビ振動の観測された軌道アナログ.
- 固体における正確な軌道制御のための一貫したテラヘルツ放射線の潜在能力を示した.
結論:
- この研究は,量子現象の探求を原子物理学から固体状態まで拡張している.
- 一貫性テラヘルツ放射線は,固体内の軌道に対する正確な制御方法として導入されます.
- この発見は,ライドバーグ状態ベースの量子制御の固体状態実装の道を開く.
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