Abstract
We present recent results on the lattice dynamics of oxide superconductors as determined by inelastic neutron-scattering experiments. Included are data on the high- T c cuprate superconductors, for example YBa 2Cu 3O 7, as well as Nb-doped SrTiO 3, which is a low- T c system ( T c∼1 K). Particular emphasis is laid on direct indications of electron-phonon coupling such as phonon softening by renormalization or changes in phonon frequencies when passing through T c .
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