"Version: 20210204"--Title page verso.Includes bibliographical references.1. The Heisenberg model -- 1.1. Ground state for the ferromagnet -- 1.2. Spontaneous broken symmetries -- 1.3. Ground state for the antiferromagnet -- 1.4. Excited states for the ferromagnet -- 1.5. Translational symmetry -- 1.6. Two spin waves -- 1.7. Long-range order -- 1.8. Mermin and Wagner's theorem -- 1.9. The Ising…
"Version: 20151201"--Title page verso.Includes bibliographical references.Preface -- 1. Introduction : geometrically confined magnetic systems -- 1.1. Magnetic order, dipoles and fields -- 1.2. Effects due to geometry -- 1.3. Exchange interactions -- 1.4. Anisotropic exchange couplings -- 1.5. Local anisotropies -- 1.6. Theory for linear and nonlinear magnetism -- 1.7. Simulations in magnetismp…