リコンフィギュアブルなノットとリンクは,キラルネマティックコロイドで再構成できます
Uroš Tkalec1, Miha Ravnik, Simon Čopar
1Condensed Matter Physics Department, Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia. uros.tkalec@ijs.si
Science (New York, N.Y.)
|July 2, 2011
まとめ
科学者たちはレーザーピンチを使って,液晶に微小なノットとリンクを結び,複雑なトポロジカルな構造を作り出した. これはトポロジーの実証です.
科学分野:
- ソフトマター物理学 ソフトマター物理学
- マテリアルサイエンス 材料科学
- トポロジーのトポロジーは,
背景:
- ポリマーや欠陥線における顕微鏡構造を結びつけて連結することは困難です.
- 材料のトポロジカル・デフェクトは,材料の特性にとって極めて重要です.
研究 の 目的:
- 顕微鏡のトポロジカル・デフェクト・ラインの制御された結び付けと連結を実証する.
- トポロジカルな欠陥の微小操作のためのレーザーピンチの使用を調査する.
- これらのトポロジカルな構造をセルフリンク番号を用いて分類する.
主な方法:
- 精密なマイクロ操作のためのレーザーピンチを使用しました.
- キラルネマティック液晶コロイドでノットとリンクを作成しました.
- 定量化された自己結合番号によって分類されたトポロジカル構造.
主要な成果:
- 任意の複雑さのノードやリンクを成功裏に形成し,最大6つの交差点まで.
- ホップフリンク,デヴィッド星,ボロメアン環などの複雑なトポロジカルな構造を示した.
- 安定したコロイド粒子は,ユニークな柔らかい物質の構成にします.
結論:
- レーザーピンチは,柔らかい物質で複雑な顕微鏡のノットとリンクを作成することができます.
- 量子化された自己結合数は,これらのトポロジカル構造を分類する.
- トポロジーは,柔らかい物質の材料工学の重要な要因です.
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