Ultrasound attenuation in Sr 2RuO 4: An angle-resolved study of the superconducting gap function

C. Lupien; W. A. MacFarlane; Cyril Proust; Louis Taillefer; Z. Q. Mao; Y. Maeno

doi:10.1103/PhysRevLett.86.5986

Ultrasound attenuation in Sr ₂RuO ₄: An angle-resolved study of the superconducting gap function

C. Lupien, W. A. MacFarlane, Cyril Proust, Louis Taillefer, Z. Q. Mao, Y. Maeno

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Abstract

The intrinsic angular resolution of ultrasound attenuation was used to directly probe the anisotropy of the quasiparticle excitation spectrum of superconducting Sr ₂RuO ₄ in zero magnetic field. The power law dependence of the ultrasound attenuation persisting down to T _c/30 established the existence of nodes in the gap function of the compound.

Original language	English (US)
Pages (from-to)	5986-5989
Number of pages	4
Journal	Physical review letters
Volume	86
Issue number	26 I
DOIs	https://doi.org/10.1103/PhysRevLett.86.5986
State	Published - Jun 25 2001

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.86.5986

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title = "Ultrasound attenuation in Sr 2RuO 4: An angle-resolved study of the superconducting gap function",

abstract = "The intrinsic angular resolution of ultrasound attenuation was used to directly probe the anisotropy of the quasiparticle excitation spectrum of superconducting Sr 2RuO 4 in zero magnetic field. The power law dependence of the ultrasound attenuation persisting down to T c/30 established the existence of nodes in the gap function of the compound.",

author = "C. Lupien and MacFarlane, {W. A.} and Cyril Proust and Louis Taillefer and Mao, {Z. Q.} and Y. Maeno",

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AU - Lupien, C.

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AU - Proust, Cyril

AU - Taillefer, Louis

AU - Mao, Z. Q.

AU - Maeno, Y.

PY - 2001/6/25

Y1 - 2001/6/25

N2 - The intrinsic angular resolution of ultrasound attenuation was used to directly probe the anisotropy of the quasiparticle excitation spectrum of superconducting Sr 2RuO 4 in zero magnetic field. The power law dependence of the ultrasound attenuation persisting down to T c/30 established the existence of nodes in the gap function of the compound.

AB - The intrinsic angular resolution of ultrasound attenuation was used to directly probe the anisotropy of the quasiparticle excitation spectrum of superconducting Sr 2RuO 4 in zero magnetic field. The power law dependence of the ultrasound attenuation persisting down to T c/30 established the existence of nodes in the gap function of the compound.

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Ultrasound attenuation in Sr ₂RuO ₄: An angle-resolved study of the superconducting gap function

Abstract

All Science Journal Classification (ASJC) codes

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