Abstract
A Green's-function formalism is presented to study in a unified manner the propagation of mass-spin-fluctuation waves in solid helium with isotopic impurities. Based on this, consistent physical mechanisms are put forward for certain relaxation phenomena in impure solid helium.
- Received 22 March 1973
DOI:https://doi.org/10.1103/PhysRevA.8.2624
©1973 American Physical Society