The isotope effect and phonons in MgB2

MgB2 shows a large isotope effect coefficient for B and a negligible coefficient for Mg. The total isotope effect is reduced from 0.5, a value that might be expected for a BCS, phonon-mediated, sp superconductor. Recent work reconciling this lower total isotope effect is reviewed with regard to the...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2003-03, Vol.385 (1-2), p.98-104
Main Authors: Hinks, D.G, Jorgensen, J.D
Format: Article
Language:English
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Summary:MgB2 shows a large isotope effect coefficient for B and a negligible coefficient for Mg. The total isotope effect is reduced from 0.5, a value that might be expected for a BCS, phonon-mediated, sp superconductor. Recent work reconciling this lower total isotope effect is reviewed with regard to the unique nature of MgB2.
ISSN:0921-4534
DOI:10.1016/S0921-4534(02)02309-2