The second International Symposium on Quantum Fluids and Solids came to pass during 23-27 Jan. 1977 as the fourth and con- cluding part of the seventeenth consecutive running of the Sanibel Symposium Series. With approximately 120 participants from eleven countries (including, for the first time, the USSR), we found it easy to obtain a selection of papers which was fairly comprehen- sive. Indeed, our problem was an embarrassment of riches; in spite of our solemn vows not to crowd the schedule, we ended up with an intense program! By far, the majority of the papers pre- sented are represented in this volume. We are indebted to many persons and organizations for their contributions to the Symposia. First, we thank Prof. Per-Olov Lowdin, Director of the Quantum Theory Project and originator of the Sanibel Symposia. Without his patient, indulgent cooperation our task would have been vastly more difficult. We are grateful to Prof. F. Eugene Dunnam, Chairman of the Dept. of Physics and Astronomy, for providing Departmental support of our initial or- ganlzlng expenses.
Approximately one-half of the total cost of the Symposium was borne by a joint grant from the National Science Foundation and the U. S. Air Force Office of Scientific Research. We thank the program officers, Dr. C. Satterthwaite and Dr. D.
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Schweitzer Klassifikation
Opening Remarks.- Surface Singularities and Superflow in 3He-A.- Textures of 3He-A in a Sphere: Topological Theory of Boundary Effects and a New Defect.- Static and Dynamic Textures in Superfluid 3He-A.- Stability of Planar Textures in Superfluid 3He-A.- Solitary Structures in Nonlinear Fields.- Solitons and Related Phenomena in Superfluid 3He.- Experimental Orbital Dynamics in Superfluid 3He.- Orbital Hydrostatics and Hydrodynamics of 3He-A.- General Equilibrium Condition and Hydrodynamics of Superfluid 3He-A.- The Magnetic Susceptibility of Superfluid 3He.- Amplitude Dependent Effects in the Measurement of the 3He A-Phase Superfluid Density Tensor.- Measurements of the Static and Dynamic NMR Susceptibilities of Superfluid 3He-B Using an R-F Biased Squid.- Some New NMR Effects in Superfluid 3He-A.- Pulsed NMR Frequency Shift in Superfluid 3He-B.- NMR in Flowing Superfluid 3He in Confined Geometries.- Some Unusual Characteristics of 3He-B.- Extraordinary Magnetism on Surface Layers of 3He.- Thermal Time Constant Between Powdered CMN and Superfluid 3He.- Calculation of Surface Energies in A and B Phases of 3He.- Neutron Inelastic Scattering from Liquid 3He.- Excitations in Normal Liquid 3He.- Transverse Zero Sound in Normal 3He.- Motion of Ions in Normal and Superfluid 3He.- The Mobility of Negative Ions in Superfluid 3He.- The Motion and Mobility of Ions in Superfluid 3He.- Preliminary Measurements of the Low Temperature Ion Mobility in Normal Liquid 3He.- Phase Transitions in Liquid Crystals.- Possible "New" Quantum Systems - A Review.- Predicted Stability Conditions for Gaseous Spin-Aligned Hydrogen (H?).- Survey of the Central Issues Concerning Superfluid Solids.- Number Fluctuations in a Macroscopic Subvolume of Quantum Fluids: A Possible Experiment.- Solid o-p-Hydrogen: A Comparison of Theories of Statistically Disordered Crystals.- Specific-Heat Measurements on Solid 3He.- Metastable States of Solid 4He Near the hcp-bcc Phase Transition.- Kapitza Resistance at a Solid Helium-Copper Interface under Heavy Thermal Loads.- Thermodynamic Pressure of Solid 3He in High Magnetic Fields.- Temperature and Frequency Dependence of Longitudinal Sound in HCP 4He.- Critical Dynamics in He3 - He4 Mixtures.- Optical Experiments in 3He-4He Mixtures Near the Tricritical Point.- Transport Properties in Liquid 3He-4He Mixtures Near the Tricritical Point.- Phonon-Quasiparticle Scattering in Dilute 3He/4He Mixtures.- The Effective Interaction Between 3He Quasi-Particles on the Surface of Liquid 4He.- Observation of Ballistic Rotons in Liquid 4He.- Second Sound Attenuation in Rotating 4He.- Phase Separation in Rotating 3He-4He Solutions.- Results from a Gauge Theory of Superfluidity in 4He.- The Free Surface of Rotating 4He Thick Films.- The Decay of Persistent Currents in Unsaturated Superfluid 4He Films.- Elementary Excitations in Very Thin Superfluid 4He Films.- NMR on 3He Adsorbed in Grafoil at Near Monolayer Completion: The Solid Phase.- Recent Advances in Dilution Refrigeration.- Contributors.
