Quantum coherence of electrons field-emitted from a superconductor: Correlations and entanglement

研究成果: Article査読

3 被引用数 (Scopus)

抄録

The correlations of the electrons field-emitted from a superconductor are fully analyzed, both in space and time. It is proposed that a coincidence experiment would reveal a positive correlation between the electrons emitted in opposite directions. The electrons can be entangled and can even violate Bell's inequality. The crucial role played by Andreev's process is scrutinized, analytical formulas are derived for the correlations, and the physics behind the phenomenon is clarified.

本文言語English
論文番号104516
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
80
10
DOI
出版ステータスPublished - 2009 9 29

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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