Electromagnetic response of d-wave superconductors

D. Xu; S. K. Yip; J. A. Sauls

doi:10.1016/0921-4526(94)91297-1

Electromagnetic response of d-wave superconductors

D. Xu, S. K. Yip, J. A. Sauls

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Recent theories of superconductivity based on the exchange of AFM spin-fluctuations argue for an unconventional spin-singlet order parameter with d_x²-_y² symmetry. One important feature of this state is that the excitation gap has nodal lines on the Fermi surface. We show that the low-energy quasiparticle states near the nodes give rise to characteristic anomalies in the surface impedance which can be used to locate the positions of the nodes of an unconventional gap in momentum space.

Original language	English (US)
Pages (from-to)	1595-1596
Number of pages	2
Journal	Physica B: Physics of Condensed Matter
Volume	194-196
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4526(94)91297-1
State	Published - Feb 2 1994

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Electromagnetic response of d-wave superconductors",

abstract = "Recent theories of superconductivity based on the exchange of AFM spin-fluctuations argue for an unconventional spin-singlet order parameter with dx2-y2 symmetry. One important feature of this state is that the excitation gap has nodal lines on the Fermi surface. We show that the low-energy quasiparticle states near the nodes give rise to characteristic anomalies in the surface impedance which can be used to locate the positions of the nodes of an unconventional gap in momentum space.",

author = "D. Xu and Yip, {S. K.} and Sauls, {J. A.}",

note = "Funding Information: *Supported by the NSF through the Science and Technology Center for Superconductivity (DMR-91-20000), and the Northwestern University Materials Science Center, (DMR-88-21571, DMR-91-20521)",

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AU - Sauls, J. A.

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N2 - Recent theories of superconductivity based on the exchange of AFM spin-fluctuations argue for an unconventional spin-singlet order parameter with dx2-y2 symmetry. One important feature of this state is that the excitation gap has nodal lines on the Fermi surface. We show that the low-energy quasiparticle states near the nodes give rise to characteristic anomalies in the surface impedance which can be used to locate the positions of the nodes of an unconventional gap in momentum space.

AB - Recent theories of superconductivity based on the exchange of AFM spin-fluctuations argue for an unconventional spin-singlet order parameter with dx2-y2 symmetry. One important feature of this state is that the excitation gap has nodal lines on the Fermi surface. We show that the low-energy quasiparticle states near the nodes give rise to characteristic anomalies in the surface impedance which can be used to locate the positions of the nodes of an unconventional gap in momentum space.

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Electromagnetic response of d-wave superconductors

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