Pair tunneling as a probe of the dynamics of magnetic insulators

A. M. Goldman; C. G. Kuper; O. T. Valls

doi:10.1103/PhysRevLett.52.1340

Pair tunneling as a probe of the dynamics of magnetic insulators

A. M. Goldman, C. G. Kuper, O. T. Valls

Physics and Astronomy (Twin Cities)

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6 Scopus citations

Abstract

A method of using the ac Josephson current between two superconducting electrodes to probe the spin fluctuations of a magnetic insulating barrier of a junction is suggested. The dc I-V characteristic of such a junction measured as a function of both the dc bias voltage V and the magnitude of a magnetic field parallel to the plane of the junction is predicted to be proportional to the imaginary part of the frequency- and wave-vector-dependent susceptibility of the magnetic material.

Original language	English (US)
Pages (from-to)	1340-1343
Number of pages	4
Journal	Physical review letters
Volume	52
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevLett.52.1340
State	Published - 1984

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title = "Pair tunneling as a probe of the dynamics of magnetic insulators",

abstract = "A method of using the ac Josephson current between two superconducting electrodes to probe the spin fluctuations of a magnetic insulating barrier of a junction is suggested. The dc I-V characteristic of such a junction measured as a function of both the dc bias voltage V and the magnitude of a magnetic field parallel to the plane of the junction is predicted to be proportional to the imaginary part of the frequency- and wave-vector-dependent susceptibility of the magnetic material.",

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AU - Kuper, C. G.

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Pair tunneling as a probe of the dynamics of magnetic insulators

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