Low Temperature Physics-LT 13: Volume 2: Quantum Crystals and Magnetism

ISBN-13: 9781461345220 / Angielski / Miękka / 2011 / 668 str.

K. D. Timmerhaus; W. J. O'Sullivan; E. F. Hammel

Spis treści

Quantum Crystals.- 1. Plenary Topics.- Quantum Crystals: Theory of the Phonon Spectrum.- Quantum Solids and Inelastic Neutron Scattering.- Magnetic and Thermal Properties of Solid and Liquid 3He Near the Melting Curve.- 2. Helium Lattice Dynamics.- 2.1 Specific Heat and Sound.- Specific Heat of Solid 3He.- The Temperature Dependence of the Longitudinal Sound Velocity of Single Crystals of HCP 4He.- Lifetimes of Hypersonic Phonons in Solid 4He.- Sound Wave Propagation and Anharmonic Effect in Solid 3He and 4He.- 2.2 Heat Transport in Isotope Mixtures.- NMR Measurements on 3He Impurity in Solid 4He.- Calculation of the Diffusion Rate of 3He Impurities in Solid 4He.- NMR Study of Solid 3He—4He Mixtures Rich in 3He.- Phonon Scattering by Isotopic Impurities in Helium Single Crystals.- The Orientation and Molar Volume Dependence of Second Sound in HCP 4He Crystals.- Structure of Phase-Separated Solid Helium Mixtures.- 2.3 Scattering and Vacancies.- Raman Scattering from Condensed Phases of 3He and 4He.- Single-Particle Excitations in Solid Helium.- Single-Particle Density and Debye-Waller Factor for BCC 4He.- Thermal Defects in BCC 3He Crystals Determined by X-Ray Diffraction.- Possible Bound State of Two Vacancy Waves in Crystalline 4He.- Multiphonon and Single-Particle Excitations in Quantum Crystals.- 3. Helium-3 Nuclear Magnetism.- What is the Spin Hamiltonian of Solid BCC 3He?.- Magnetic Properties of Liquid 3He below 3 m°K.- Properties of 3He on the Melting Curve.- Low-Temperature Solid 3He in Large Magnetic Fields.- High-Magnetic-Field Behavior of the Nuclear Spin Pressure of Solid 3He.- The Interaction of Acoustic Phonons with Nuclear Spins in Solid 3He.- 4. Helium Monolayers.- Motional Narrowing in Monolayer 3He Film NMR.- Neon Adsorbed on Graphite: Heat Capacity Determination of the Phase Diagram in the First Monolayer from 1 to 20°K.- NMR in 3He Monolayers Adsorbed on Graphite below 4.2°K.- Thermodynamic Functions for 4He Submonolayers.- Elastic Properties of Solid 4He Monolayers from 4.2°K Vapor Pressure Studies.- 5. Molecular Solids.- Sound Velocities in Solid HCP H2 and D2.- Polarizability of Solid H2 and D2.- Scattering of Neutrons by Phonons and Librons in Solid o-Hydrogen.- Determination of the Crystal Structures of D2 by Neutron Diffraction.- Velocity and Absorption of High-Frequency Sound Near the Lambda Transitions in Solid CD4.- Growth and Neutron Diffraction Experiments on Single Crystals of Deuterium.- Proton Resonance in Highly Polarized HD.- Thermal Conductivity of Solid HD Containing Isotopic Impurities.- Self-Consistent Calculations of the Lattice Modes of Solid Nitrogen.- 6. Other Topics in Quantum Crystals.- Ionic Mobilities in Solid Helium.- Vapor Pressure Ratios of the Neon Isotopes.- Investigation of Phonon Radiation Temperature of Metal Films on Dielectric Substrates.- Surface Thermal Expansion in Noble Gas Solids.- Pair Potentials for van der Waals Solids from a One-Electron Model.- Magnetism.- 7. Plenary Topics.- Magnetic Interaction Effects in Dilute Alloys.- Magnetic Phase Transitions at Low Temperatures.- 8. Phase Transitions.- Magnetic Equations of State in the Critical Region.- Properties of PrPb3 in Relation to Other L1 2 Phases of Pr.- On Nuclear Magnetic Ordering Phenomena in Van Vleck Paramagnetic Materials.- Electronic Magnetic Ordering Induced by Hyperfine Interactions in Terbium and Holmium Gallium Garnets.- Low-Field Magnetic Properties of DyVO4 and TbPO4.- Magnetic Ordering of the Delocalized Electron Spin in DPPH.- Tricritical Susceptibility in Ising Model Metamagnets and Some Remarks Concerning Tricritical Point Scaling.- Double-Power Scaling Functions Near Tricritical Points.- Low-Temperature Spontaneous Magnetization of Two Ferromagnetic Insulators: CuRb2Br4 2H2O and CUK2C14 2H2O.- Heat Capacity Measurements on KMnF3 at the Soft Mode and Magnetic Phase Transitions.- Magnetic and Magnetoopical Effects at the Phase Transition in Antiferromagnetic Ferrous Carbonate.- 9. Low-Dimensional Systems.- Fluctuations in One-Dimensional Magnets: Low Temperatures and Long Wavelengths.- Nuclear Relaxation in a Spin ½ One-Dimensional Antiferromagnet.- Low-Dimensional Magnetic Behavior of Cu(NH3)2 Ni(CN)4 2C6H6.- Electron Paramagnetic Resonance in CU(NO3)2 2.5H2O.- One-Magnon Raman Scattering in the Two-Dimensional Antiferromagnet K2NiF4.- NMR Study of a Two-Dimensional Weak Ferromagnet, Cu(HCOO)2 · 4D2O, in Magnetic Fields up to 10 kOe.- 10. Ferromagnetism.- Heisenberg Model for Dilute Alloys in the Molecular Field Approximation.- Spin Polarization of Electrons Tunneling from Thin Ferromagnetic Films.- Proximity Effect for Weak Itinerant Ferromagnets.- Onset of Ferromagnetism in Alloys at Low Temperatures.- Distribution of Atomic Magnetic Moment in Ferromagnetic Ni-Cu Alloys.- Low-Temperature Resistance Anomalies in Iron-Doped V—Cr Alloys.- Magnetic Properties of (Ge1-xMnx) Te Alloys.- 11. Dilute Alloys.- Electron Spin Relaxation through Matrix NMR in Dilute Magnetic Alloys.- NMR Experimental Test for the Existence of the Kondo Resonance.- Nuclear Orientation Experiments on Dilute Au1?xAgxYb Alloys.- Temperature Dependence of the High-Frequency Resistivity in Dilute Magnetic Alloys.- Spin-Dependent Resistivity in Cu:Mn.- Properties of Dilute Transition-Based Alloys with Actinide Impurities: Evidence of Localized Magnetism for Neptunium and Plutonium.- New Treatment of the Anderson Model for Single Magnetic Impurity.- Concentration Dependence of the Kondo Effect in a Random Impurity Potential.- Concentration Effects in the Thermopower of Kondo Dilute Alloys.- Resistance and Magnetoresistance in Dilute Magnetic Systems.- The Linear Variation of the Impurity Resistivity in AlMn, AlCr, ZnFe, and Other Dilute Alloys.- Hall Effect Induced by Skew Scattering in LaCe.- Kondo Effect in YCe under Pressure.- The Low-Temperature Magnetic Properties of Zn—Mn Single Crystals.- Influence of Lattice Defects on the Kondo Resistance Anomaly in Dilute ZnMn Thin-Film Alloys.- Evidence for Impurity Interactions from Low-Temperature Susceptibility Measurements on Dilute ZnMn Alloys.- Low-Temperature Electrical Resistivity of Palladium—Cerium Alloys.- Spin and g Factor of Impurities with Giant Moments in Pd and Pt.- Specific Heat Anomalies of PtCo Alloys at Very Low Temperatures.- Resistivity of Paramagnetic Pd—Ni Alloys.- Anomalous Low-Temperature Specific Heat of Dilute Ferromagnetic Alloys.- 12. Theory.- Charge Transfer and Spin Magnetism of Binary Alloys.- Coherent Potential Approximation for the Impure Heisenberg Ferromagnet.- Resistivity of Nearly Antiferromagnetic Metals.- Magnetic Properties of Electrons in a Narrow Correlated Energy Band.- Magnetism and Metal—Nonmetal Transition in Narrow Energy Bands: Applications to Doped V2O3.- Determination of Crossover Temperature and Evidence Supporting Scaling of the Anisotropy Parameter of Weakly Coupled Magnetic Layers.- A Corrected Version of the t-Approximation for Strong Repulsion.- 13. Magnetism and Superconductivity.- Anomalous Behavior of the Kondo Superconductor (La1?xCex) Al2.- Magnetic Impurities in Superconducting La3Al Alloys.- Ce Impurities in Th-Based Superconducting Hosts.- Heat Capacity of ThU Alloys at Low Temperatures.- Superconducting Critical Field Curves for Th—U.- c2 Contributions to the Abrikosov—Gor’kov Theory of Superconductors Containing Magnetic Impurities.- The Effects of Some 3d and 4d Solutes on the Superconductivity of Technetium.- Specific Heat of SnTe between 0.06 and 30°K under Strong Magnetic Field.- Direct Evidence for the Coexistence of Superconductivity and Ferromagnetism.- 14. Small Particles, Heat Capacity, and Paramagnetism.- Electric and Magnetic Moments of Small Metallic Particles in the Quantum Size Effect Regime.- High-Frequency Relaxation Measurements of Magnetic Specific Heats.- Some Recent Results on Paramagnetic Relaxations.- Low-Temperature Heat Capacity of ?- and ?-Cerium.- A Measurement of the Magnetic Moment of Oxygen Isolated in a Methane Lattice.- of Other Volumes.- Index to Contributors.