Reconstruction from small-angle neutron scattering measurements of the real space magnetic field distribution in the mixed state of Sr2RuO4

We have measured the diffracted neutron scattering intensities from the square magnetic flux lattice in the perovskite superconductor Sr2RuO4, which is thought to exhibit p-wave pairing with a two-component order parameter. The relative intensities of different flux lattice Bragg reflections over a...

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Bibliographic Details
Published in:Physical review letters 2000-06, Vol.84 (26 Pt 1), p.6094-6097
Main Authors: Kealey, P G, Riseman, T M, Forgan, E M, Galvin, L M, Mackenzie, A P, Lee, S L, Paul, D M, Cubitt, R, Agterberg, D F, Heeb, R, Mao, Z Q, Maeno, Y
Format: Article
Language:English
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Summary:We have measured the diffracted neutron scattering intensities from the square magnetic flux lattice in the perovskite superconductor Sr2RuO4, which is thought to exhibit p-wave pairing with a two-component order parameter. The relative intensities of different flux lattice Bragg reflections over a wide range of field and temperature have been shown to be inconsistent with a single component Ginzburg-Landau theory but qualitatively agree with a two-component p-wave Ginzburg-Landau theory.
ISSN:0031-9007
DOI:10.1103/PhysRevLett.84.6094