Effect of the superconducting transition on phonon energies and lifetimes in lead |
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Authors: | R Youngblood Y Noda G Shirane |
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Institution: | Brookhaven National Laboratory, Upton, NY 11973, U.S.A. |
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Abstract: | We have performed a high-resolution inelastic neutron scattering study of certain transverse phonons in lead. We find that neither the energies nor the linewidths change appreciably with the onset of superconductivity. This finding contradicts a recent experimental report, but is in accord with theoretical expectations. |
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