Balucani / Lovesey / Rasetti Magnetic Excitations and Fluctuations II

Proceedings of an International Workshop, Turin, Italy, May 25–30, 1987
1987
ISBN: 978-3-642-73107-5
Verlag: Springer
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, Band 23, 209 Seiten, eBook

Reihe: Springer Proceedings in Physics

Zielgruppe

Research

Autoren/Hrsg.

Balucani, Umberto

Lovesey, Stephen W.

Rasetti, Mario G.

Tognetti, Valerio

Inhaltsverzeichnis

I Statistical Mechanics and Mathematical Physics.- Statistical Mechanics of the Integrable Models.- Lattice Equations, Hierarchies and Hamiltonian Structures.- Modular Invariance and Two-Dimensional Critical Systems.- Variational Principle for Quantum Effects on Nearly Sine-Gordon Chains.- Quantum Theory of Planar Kinks in a Finite Easy Plane Ferromagnetic Chain.- RAF Model and Solid Oxygen: Infinite Degeneracy, Soft Lines, No LRO in Classical Approximation and Order by Quantum Disorder.- Phase Transitions in Ising Superlattices.- A Fermionic Treatment of the Frustrated Ising Model.- Calculation of Static Magnetic Susceptibilities of a Jahn-Teller E-Doublet.- II Random Field Problems, Spin Glasses and Chaotic Behaviour.- Critical Properties of the Random Field Ising Model.- Random-Exchange and Random-Field xy-Chain for 5=1/2.- Spin-glass-like Behaviour in Spinels.- Harmonic Magnons in Spin Glasses: Cd0.35Mn0.65Te.- On a Symmetric (2S+l)-State System Coupled to Its Environment: Tunneling Splitting and Quantum Coherence.- Regular and Chaotic Dynamics of Classical Spin Systems.- The Kicked Quantum Spin: A Model System for Quantum Chaos.- Chaotic Dynamics of Spin Wave Instabilities.- III Theory of Spin Excitations.- Spin 1 vs Spin ½ Antiferromagnetic Chains: The Staggered Magnetization.- Excitations and Critical Behavior in Generalized Heisenberg Spin Chains.- Exact Results for the Out of Plane Dynamical Correlation Function in a Classical Easy Plane Ferromagnet at Low Temperatures.- A Comparison of the Bethe Ansatz and Green Function Approaches to Two-Magnon States of the Ferromagnetic Chain.- Nonlinear Effects in Low-Dimensional Magnetism: Solitons and Vortices.- Theory of Excitations in Incommensurably Modulated Magnets.- Linear Spin Dynamics of IncommensurablyModulated Magnets: Numerical and Analytic Results.- On the Interpretation of Electronic and Phonon Anomalies in Mixed Valence Compounds.- Bloch Lines as Magnetic Excitations in Domain Wall Dynamics with a Large Sensitivity to Initial Conditions.- Dynamics of Magnetic Domain Walls and Barkhausen Noise in Metallic Ferromagnetic Systems.- IV Spin Excitations: Experiments and Computer Simulations.- Magnetic Fluctuations and Excitations in the S=1 Antiferromagnetic Chains of NENP.- Study of Longitudinal Fluctuations in CsNiF3 by Means of Inelastic Polarized Neutron Scattering.- Dynamics of Critical Fluctuations in Isotropic Ferromagnets: Current Problems.- Magnetism of MnSi and FeSi.- Neutron Scattering from Heavy Fermion Systems.- Linear and Nonlinear Excitations in the S=1/2 Ferromagnetic Chain System [C6H11NH3]CuBr3 (CHAB).- Doublings of Soliton Modes and Soliton Magnetic Resonance (SMR).- Relaxation Phenomena in Non-linear Systems; A Mössbauer Effect Spectroscopy and Susceptibility Study.- A Raman Scattering Study of the Spin-Phonon Interaction in Rutile Structure Antiferromagnets.- Raman Scattering Studies of Optical Magnons and of High-Energy Magnetic Excitons.- Spin-Dynamics Studies of Excitations in xy-Chains.- Numerical Transfer-Kernel Results for the Classical xy-Chain in a Magnetic Field.- Monte Carlo Simulation of the Quantum Sine-Gordon Chain.- Index of Contributors.