Evidence for nonmonotonic magnetic field penetration in a type-I superconductor

V. F. Kozhevnikov, C. V. Giuraniuc, M. J. Van Bael, K. Temst, C. Van Haesendonck, T. M. Mishonov, T. Charlton, R. M. Dalgliesh, Yu N. Khaidukov, Yu V. Nikitenko, V. L. Aksenov, V. N. Gladilin, V. M. Fomin, J. T. Devreese, J. O. Indekeu

Research output: Contribution to journalArticle

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Abstract

Polarized neutron reflectometry (PNR) provides evidence that nonlocal electrodynamics governs the magnetic field penetration in a low- κ superconductor. The sample is an In film with a large elastic mean-free path. It is shown that PNR can resolve the difference between the reflected neutron spin asymmetries predicted by the local and nonlocal theories of superconductivity. The experimental data support the nonlocal theory, which predicts a nonmonotonic decay of the magnetic field.

Original languageEnglish
Article number012502
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume78
Issue number1
DOIs
Publication statusPublished - 10 Jul 2008

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Superconducting materials
Neutrons
penetration
Magnetic fields
neutrons
magnetic fields
Electrodynamics
Superconductivity
electrodynamics
mean free path
superconductivity
asymmetry
decay

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Kozhevnikov, V. F., Giuraniuc, C. V., Van Bael, M. J., Temst, K., Van Haesendonck, C., Mishonov, T. M., ... Indekeu, J. O. (2008). Evidence for nonmonotonic magnetic field penetration in a type-I superconductor. Physical Review B - Condensed Matter and Materials Physics, 78(1), [012502]. https://doi.org/10.1103/PhysRevB.78.012502

Evidence for nonmonotonic magnetic field penetration in a type-I superconductor. / Kozhevnikov, V. F.; Giuraniuc, C. V.; Van Bael, M. J.; Temst, K.; Van Haesendonck, C.; Mishonov, T. M.; Charlton, T.; Dalgliesh, R. M.; Khaidukov, Yu N.; Nikitenko, Yu V.; Aksenov, V. L.; Gladilin, V. N.; Fomin, V. M.; Devreese, J. T.; Indekeu, J. O.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 78, No. 1, 012502, 10.07.2008.

Research output: Contribution to journalArticle

Kozhevnikov, VF, Giuraniuc, CV, Van Bael, MJ, Temst, K, Van Haesendonck, C, Mishonov, TM, Charlton, T, Dalgliesh, RM, Khaidukov, YN, Nikitenko, YV, Aksenov, VL, Gladilin, VN, Fomin, VM, Devreese, JT & Indekeu, JO 2008, 'Evidence for nonmonotonic magnetic field penetration in a type-I superconductor', Physical Review B - Condensed Matter and Materials Physics, vol. 78, no. 1, 012502. https://doi.org/10.1103/PhysRevB.78.012502
Kozhevnikov, V. F. ; Giuraniuc, C. V. ; Van Bael, M. J. ; Temst, K. ; Van Haesendonck, C. ; Mishonov, T. M. ; Charlton, T. ; Dalgliesh, R. M. ; Khaidukov, Yu N. ; Nikitenko, Yu V. ; Aksenov, V. L. ; Gladilin, V. N. ; Fomin, V. M. ; Devreese, J. T. ; Indekeu, J. O. / Evidence for nonmonotonic magnetic field penetration in a type-I superconductor. In: Physical Review B - Condensed Matter and Materials Physics. 2008 ; Vol. 78, No. 1.
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abstract = "Polarized neutron reflectometry (PNR) provides evidence that nonlocal electrodynamics governs the magnetic field penetration in a low- κ superconductor. The sample is an In film with a large elastic mean-free path. It is shown that PNR can resolve the difference between the reflected neutron spin asymmetries predicted by the local and nonlocal theories of superconductivity. The experimental data support the nonlocal theory, which predicts a nonmonotonic decay of the magnetic field.",
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AU - Van Bael, M. J.

AU - Temst, K.

AU - Van Haesendonck, C.

AU - Mishonov, T. M.

AU - Charlton, T.

AU - Dalgliesh, R. M.

AU - Khaidukov, Yu N.

AU - Nikitenko, Yu V.

AU - Aksenov, V. L.

AU - Gladilin, V. N.

AU - Fomin, V. M.

AU - Devreese, J. T.

AU - Indekeu, J. O.

N1 - We thank A. Volodin for AFM, S. Vandezande for resistivity, and A. P. Kobzev for RBS measurements. This research was supported by the KULeuven Research Council (Grants No. F/05/049 and GOA/2004/02), Projects No. G.0237.05, G.0115.06, and G.0356.06 of FWO-Vlaanderen, IUAP P5/1, the European Commission under the 6th Framework Programme through the Key Action: Strengthening the European Research Area, Research Infrastructures (Contract No. HII3-CT-2003-505925), Russian State (Contract No. 2007-3-1.3-07-01), INTAS (Grant No. 03-51-6426), and RFBR (Project No. 06-02-16221).

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N2 - Polarized neutron reflectometry (PNR) provides evidence that nonlocal electrodynamics governs the magnetic field penetration in a low- κ superconductor. The sample is an In film with a large elastic mean-free path. It is shown that PNR can resolve the difference between the reflected neutron spin asymmetries predicted by the local and nonlocal theories of superconductivity. The experimental data support the nonlocal theory, which predicts a nonmonotonic decay of the magnetic field.

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