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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Published in:Physica. C, Superconductivity Superconductivity, 2003-03, Vol.385 (1-2), p.98-104
Main Authors: Hinks, D.G, Jorgensen, J.D
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description 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.
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title The isotope effect and phonons in MgB2
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