Probing Cooper pairs with Franson interferometry

Vittorio Giovannetti, Kazuya Yuasa

研究成果: Article査読

4 被引用数 (Scopus)

抄録

A setup based on the Franson optical interferometer is analyzed, which allows us to detect the coherence properties of Cooper pairs emerging via tunneling from a superconductor in contact with two one-dimensional channels. By tuning the system parameters we show that both the internal coherence of the emitted Cooper pairs, which is proportional to Pippard's length, and the de Broglie wavelength of their center-of-mass motion can be measured via current-current correlation measurements.

本文言語English
論文番号115429
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
86
11
DOI
出版ステータスPublished - 2012 9 19

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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