ABSTRACT
This book covers main properties of the excitation spectrum in superfluid 4He and the thermodynamics determined by the spectrum. It deals with hydrodynamics and describes that quantitative results should be insignificantly modified with processes of phonon decay taken into account.
TABLE OF CONTENTS
part 1|52 pages
Elementary Excitations
part 2|58 pages
Hydrodynamics
part 3|36 pages
Kinetic Phenomena
part 4|36 pages
Impurities in Helium II
part 5|2 pages
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