Phonon spectrum of He II with homogeneou
โ
Shlomo Havlin; Marshall Luban
๐
Article
๐
1975
๐
Springer US
๐
English
โ 312 KB
The energy ,~p of a phonon in He II is found to have the form This result is obtained from a three-phonon renormalized Landau hydrodynamics model of the superfiuid. We show how this form for ep resolves the apparent contradiction between several very recent experiments. We also present several resu