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The role of the condensate in the existence of phonons and rotons

✍ Scribed by Henry R. Glyde


Publisher
Springer US
Year
1993
Tongue
English
Weight
789 KB
Volume
93
Category
Article
ISSN
0022-2291

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Using a simple, isotropic phonon model, the contribution of optic modes to the electron-phonon coupling constant is found to exceed that of acoustic phonons only slightly. The Coulomb pseudopotential parameter tz \* is found to be rather small. The inverse isotope effect is analyzed and related to c