Abstract
Raman-active phonon modes close to twice the superconducting-gap energy yield a hybrid state, also Raman active, between the bare phonon and the superconducting-gap excitations. This result, which is obtained for finite temperatures, holds true if screening is taken into account.
- Received 27 August 1984
DOI:https://doi.org/10.1103/PhysRevB.31.4688
©1985 American Physical Society