Macroscopic Theories of Superfluids

Foreword G. Grioli; 1. Opening Address E. Amaldi; 2. Elementary Excitations of Nonlinear Classical Fields and the Theory of Superfluid He4 S. J. Putterman and P. H. Roberts; 4. Macroscopic Quantum Effects in Superfluid 4He: Classic and recent experiments M. Cerdonio; 5. Some Hydrodynamic Problems of Liquid Helium H. Borner, W. Fiszdon, W. Poppe and H. Vogel; 6. Extended Thermodynamics and Second Sound in He II I. Muller; 7. High Frequency First Sound Waves Propagating near the Normal Superfluid Transition in 4He Liquid: a comparison between experiments and the classical critical dynamic theories F. Vidal; 8. Hyperbolicity and Symmetric Form of the Superfluid Equations G. Boillat; 9. Phenomenological Theories of Superconductivity and Superfluidity M. Fabrizio; 10. Macroscopic Approach to Strongly Degenerate Gases via Extended Thermodynamics T. Ruggeri; 11. Nonlinear Effects Associated with Second Sound in Solids B. C. Coleman, W. H. Hrousa, D. C. Newman and D. R. Owen; 12. Some Nonlinear Phenomena in Superfluid Helium R. J. Atkin and N. Fox.