Department of Physics

10ΕΚ501 Correlated Quantum Systems

Course webpage:https://eclass.uoa.gr/courses/PHYS205

Course outline

Course content

• Quantum theory of magnetism. The magnetic hamiltonian and the electron spin. Diamagnetism and paramagnetism.
• Second quantization formalism. The origin of the spontaneous magnetization and of the magnetic interactions.
• Models for the description of magnetic systems. Forms of magnetic order: Ferromagnetism, antiferromagnetism, diamagnetism. Magnons. Magnetization correlations and magnetic phase transitions.
• Attractive electron interaction. Cooper pairs.
• Microscopic theory of superconductivity: BCS and Valatin-Bogoliubov theory. Isotope effect.
• Order parameter correlations and superconducting phse transition. Landau-Ginzburg theory of phase transitions.