"Version: 20221201"--Title page verso.Includes bibliographical references.1. Electron liquid -- 1.1. Introduction -- 1.2. Jellium model -- 1.3. Properties of the electron liquid -- 1.4. Determination of the Fermi surface : the de Haas-Van Alphen effect -- 1.5. Fermi liquid theory -- 1.6. Summary and outlook2. Magnetic phenomena in solids -- 2.1. Introduction -- 2.2. Magnetic ordering : diamagne…