Anomalous s-wave proximity-induced Josephson effects in UBe13, CeCu2Si2, and LaBe13: A new probe of heavy-fermion superconductivity

Siyuan Han; K. W. Ng; E. L. Wolf; H. F. Braun; Lee Tanner; Z. Fisk; J. L. Smith; M. R. Beasley

doi:10.1103/PhysRevB.32.7567

Anomalous s-wave proximity-induced Josephson effects in UBe13, CeCu2Si2, and LaBe13: A new probe of heavy-fermion superconductivity

Siyuan Han, K. W. Ng, E. L. Wolf, H. F. Braun, Lee Tanner, Z. Fisk, J. L. Smith, M. R. Beasley

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Abstract

Anomalous proximity-induced s-wave superconductivity has been observed via the ac Josephson effect and the magnetic field and temperature dependences of the Josephson current in Nb/CeCu2Si2, Nb/LaBe13, and Nb/UBe13 junctions. The origin of the proximity-induced Josephson effect and its utility in discovering the pairing type in heavy-fermion metals are discussed.

Original language	English
Pages (from-to)	7567-7570
Number of pages	4
Journal	Physical Review B
Volume	32
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevB.32.7567
State	Published - 1985

ASJC Scopus subject areas

Condensed Matter Physics

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abstract = "Anomalous proximity-induced s-wave superconductivity has been observed via the ac Josephson effect and the magnetic field and temperature dependences of the Josephson current in Nb/CeCu2Si2, Nb/LaBe13, and Nb/UBe13 junctions. The origin of the proximity-induced Josephson effect and its utility in discovering the pairing type in heavy-fermion metals are discussed.",

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T2 - A new probe of heavy-fermion superconductivity

AU - Han, Siyuan

AU - Ng, K. W.

AU - Wolf, E. L.

AU - Braun, H. F.

AU - Tanner, Lee

AU - Fisk, Z.

AU - Smith, J. L.

AU - Beasley, M. R.

PY - 1985

Y1 - 1985

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AB - Anomalous proximity-induced s-wave superconductivity has been observed via the ac Josephson effect and the magnetic field and temperature dependences of the Josephson current in Nb/CeCu2Si2, Nb/LaBe13, and Nb/UBe13 junctions. The origin of the proximity-induced Josephson effect and its utility in discovering the pairing type in heavy-fermion metals are discussed.

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Anomalous s-wave proximity-induced Josephson effects in UBe13, CeCu2Si2, and LaBe13: A new probe of heavy-fermion superconductivity

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