دانلود کتاب Magnetic Excitations and Fluctuations II: Proceedings of an International Workshop, Turin, Italy, May 25–30, 1987

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Front Matter....Pages I-X
Front Matter....Pages 1-1
Statistical Mechanics of the Integrable Models....Pages 2-5
Lattice Equations, Hierarchies and Hamiltonian Structures....Pages 6-10
Modular Invariance and Two-Dimensional Critical Systems....Pages 11-14
Variational Principle for Quantum Effects on Nearly Sine-Gordon Chains....Pages 15-19
Quantum Theory of Planar Kinks in a Finite Easy Plane Ferromagnetic Chain....Pages 20-24
RAF Model and Solid Oxygen: Infinite Degeneracy, Soft Lines, No LRO in Classical Approximation and Order by Quantum Disorder....Pages 25-28
Phase Transitions in Ising Superlattices....Pages 29-33
A Fermionic Treatment of the Frustrated Ising Model....Pages 34-37
Calculation of Static Magnetic Susceptibilities of a Jahn-Teller E- Doublet....Pages 38-42
Front Matter....Pages 43-43
Critical Properties of the Random Field Ising Model....Pages 44-48
Random-Exchange and Random-Field xy- Chain for S =1/2....Pages 49-54
Spin-glass-like Behaviour in Spinels....Pages 55-59
Harmonic Magnons in Spin Glasses: Cd 0.35 Mn 0.65 Te....Pages 60-64
On a Symmetric (2 S +1)-State System Coupled to Its Environment: Tunneling Splitting and Quantum Coherence....Pages 65-69
Regular and Chaotic Dynamics of Classical Spin Systems....Pages 70-74
The Kicked Quantum Spin: A Model System for Quantum Chaos....Pages 75-78
Chaotic Dynamics of Spin Wave Instabilities....Pages 79-85
Front Matter....Pages 87-87
Spin 1 vs Spin 1/2 Antiferromagnetic Chains: The Staggered Magnetization....Pages 88-94
Excitations and Critical Behavior in Generalized Heisenberg Spin Chains....Pages 95-100
Exact Results for the Out of Plane Dynamical Correlation Function in a Classical Easy Plane Ferromagnet at Low Temperatures....Pages 101-104
Front Matter....Pages 87-87
A Comparison of the Bethe Ansatz and Green Function Approaches to Two-Magnon States of the Ferromagnetic Chain....Pages 105-108
Nonlinear Effects in Low-Dimensional Magnetism: Solitons and Vortices....Pages 109-113
Theory of Excitations in Incommensurably Modulated Magnets....Pages 114-119
Linear Spin Dynamics of Incommensurably Modulated Magnets: Numerical and Analytic Results....Pages 120-124
On the Interpretation of Electronic and Phonon Anomalies in Mixed Valence Compounds....Pages 125-129
Bloch Lines as Magnetic Excitations in Domain Wall Dynamics with a Large Sensitivity to Initial Conditions....Pages 130-134
Dynamics of Magnetic Domain Walls and Barkhausen Noise in Metallic Ferromagnetic Systems....Pages 135-139
Front Matter....Pages 141-141
Magnetic Fluctuations and Excitations in the S= 1 Antiferromagnetic Chains of NENP....Pages 142-146
Study of Longitudinal Fluctuations in CsNiF 3 by Means of Inelastic Polarized Neutron Scattering....Pages 147-151
Dynamics of Critical Fluctuations in Isotropic Ferromagnets: Current Problems....Pages 152-156
Magnetism of MnSi and FeSi....Pages 157-161
Neutron Scattering from Heavy Fermion Systems....Pages 162-165
Linear and Nonlinear Excitations in the S=1/2 Ferromagnetic Chain System [C 6 H 11 NH 3 ]CuBr 3 (CHAB)....Pages 166-170
Doublings of Soliton Modes and Soliton Magnetic Resonance (SMR)....Pages 171-177
Relaxation Phenomena in Non-linear Systems; A Mössbauer Effect Spectroscopy and Susceptibility Study....Pages 178-185
A Raman Scattering Study of the Spin-Phonon Interaction in Rutile Structure Antiferromagnets....Pages 186-190
Raman Scattering Studies of Optical Magnons and of High-Energy Magnetic Excitons....Pages 191-195
Spin-Dynamics Studies of Excitations in xy- Chains....Pages 196-198
Numerical Transfer-Kernel Results for the Classical xy- Chain in a Magnetic Field....Pages 199-203
Monte Carlo Simulation of the Quantum Sine-Gordon Chain....Pages 204-208
Back Matter....Pages 209-209