Magnetism course, 1FA557, spring 2017
Welcome to the homepage for the Magnetism Course!
The main course literature is
- Ashcroft & Mermin: Solid State Physics
- Peter Mohn: Magnetism in the Solid State
This page will be continually updated.
Lecture on 24.3.
- Introductory slides
- Figures about experimental techniques
- Levitating frog (YouTube)
- Timo's SQUID report
Lecture on 30.3.
- classical theory of para- and ferromagnetism (Langevin and Weiss theories), towards quantum-mechanical theory, Larmor diamagnetism
Lecture on 6.4.
- quantum theory of paramagnetism (Van Vleck, Hunds rules, Brillouin function), Heitler-London model and introduction of Heisenberg model
- hand-in problems related to this lecture: see below Project 1, Project 3 is also relevant (due to derivation of an exchange term) and Project 8, parts 1 and 2
Lecture on 12.4.
- Heisenberg model (mean-field approximation, explanation of molecular field, ground state and excited states of ferromagnet, magnons, Bloch's 3/2 law, ground state of antiferromagnet)
- hand-in problem related to this lecture: see below Project 8, part 3
Lecture on 25.4.
- density functional theory
- Hartree-Fock theory – Jellium, paramagnet, ferromagnet
- hand-in problem related to this lecture: see below Project 3
Lecture on 3.5.
- Olle finished his lecture about Hartree-Fock theory – see links above
- crystal field theory – part 1
Lecture on 10.5.
Lecture on 22.5.
- Magneto-crystalline Anisotropy Energy
- hand-in problem related to this lecture: see below Project 5
- Projects 1, 2, and 3: Heitler-London model, Hartree and Hartree-Fock methods (3 problems)
- Project 4: Stoner criterion
- Project 5: spin-orbital splitting / magneto-crystalline anisotropy
- Project 6: hybridization
- Project 7: crystal field theory (this one is quite long)
- Project 8: quantum theory of para- and ferromagnetism