トポロジカル・フェーズの境界で出現する時空超対称性

Tarun Grover¹, D N Sheng, Ashvin Vishwanath

¹Kavli Institute for Theoretical Physics, University of California, Santa Barbara, CA 93106, USA.

Science (New York, N.Y.)

|April 5, 2014

まとめ

理論的な対称性である超対称性 (SUSY) は,トポロジカルな超伝導体で自然に現れる. この発見は,SUSYの検証と,凝縮物質物理学における量子相変遷の理解のための新しい実験的道を開く.

科学分野:

凝縮物質物理学凝縮物質物理学
高エネルギー物理学高エネルギー物理学
量子場理論とは,量子場理論である.

背景:

超対称性 (SUSY) は,ボゾンとフェルミオン間の対称性を仮定する理論的枠組みであり,当初は宇宙のために提案されたが,実験的に検証されていない.
トポロジカル超伝導体は,独特の境界特性と量子化されたトポロジカルインヴァリアントによって特徴づけられる物質のエキゾチックな状態である.

研究の目的:

凝縮物質系における超対称性の自然発生を理論的に実証する.
トポロジカルな超伝導体における量子相変異におけるSUSYの現象を調査する.
トポロジカルフェーズとSUSY.との間の潜在的な実験的結果とつながりを探求する.

主な方法:

2Dおよび3Dのトポロジカル超伝導体の境界における量子相変異の理論分析.
これらのシステムの長距離および長時間の限界探査.
トポロジカルな表面状態の解釈は,自発的に壊れたSUSY.の文脈で.

主要な成果:

超対称性 (SUSY) は,トポロジカルな超伝導体で自然に発生する.
トポロジカルな超伝導体の境界にある量子相変遷は,SUSYを示している.
実験的な測定値と普遍的臨界指数との正確な関係が予測されます.
トポロジカルな表面状態は,自発的に壊れたSUSY.から生じるものとして解釈することができます.

結論:

この研究は,トポロジカル・フェーズと超対称性の間の深い関連性を明らかにしている.
トポロジカルな超伝導体は,超対称性を理論的に探求し,潜在的に実験的に検証するための実行可能なプラットフォームを提供します.
この発見は,量子的重要な現象と物質のトポロジカル状態を理解するための新しい方法を示唆しています.

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