Triplet superconducting proximity effect in nonhomogeneous magnetic materials

Статьи, посвященные столетию со дня рождения Л. В. Шубникова

Автор(и)

  • A. Kadigrobov Department of Applied Physics, Chalmers University of Technology and Göteborg University SE-412 96 Göteborg, Sweden
  • R. I. Shekhter Department of Applied Physics, Chalmers University of Technology and Göteborg University SE-412 96 Göteborg, Sweden
  • M. Jonson Department of Applied Physics, Chalmers University of Technology and Göteborg University SE-412 96 Göteborg, Sweden

Ключові слова:

PACS: 74.50. r, 74.80.Fp, 85.30.St

Анотація

We show that quantum spin fluctuations in inhomogeneous conducting ferromagnets drastically affect the Andreev reflection of electrons and holes at a ferromagnet-superconductor interface. As a result, a strong long-range proximity effect appears, associated with electron-hole spin triplet correlations and persisting on a length scale typical for nonmagnetic materials but anomalously large for ferromagnets. For applications, an important consequence is that this long-range proximity effect permits to create superconducting quantum intetference devices with the Josephson magnetic junction of an anomalous large length.

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Опубліковано

2001-10-10

Як цитувати

(1)
A. Kadigrobov, R. I. Shekhter, and M. Jonson, Triplet superconducting proximity effect in nonhomogeneous magnetic materials: Статьи, посвященные столетию со дня рождения Л. В. Шубникова, Low Temp. Phys. 27, (2001) [Fiz. Nizk. Temp. 27, 1030-1038, (2001)].

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