Summer Semester 2003

Lecture: Theoretische Festkörperphysik II / Advanced Condensed Matter Physics (D/E)
Time: Mo 09-11, Mi 12 at HS, IAP
Contents: Quantum dynamics of many-electron systems:
- Feynman diagram technique for many-particle systems at finite temperature
- Quantum magnetism, Kondo effect, Renormalization group technique
- Disordered systems: Electrons in a random potential
- Superconductivity
Literature: - Abrikosov, Gorkov, Dzyaloshinski: Methods of Quantum Field Theory in Statistical Physics
   (Dover, New York)
- Nolting: Grundkurs: Theoretische Physik 7: Vielteilchen-Theorie
- Hewson: The Kondo Problem to Heavy Fermions
   (Cambridge University Press (1993))
- Schrieffer: Theory of Superconductivity
   (Benjamin/Cummings, Reading/Mass. (1983))
Comments: The lecture course will be given in German or English, depending on the requirements of the audience.
The course can be seen as a continuation of solid state theory I, where now the emphasis is put on a more in-depth look at typical solid state phenomena and the methods for their description.

The course will start with an introduction to modern techniques for treating interacting quantum many-body systems. These methods will then be applied to several problems of condensed matter physics, such as magnetic impurities in a metal (Kondo effect), electron motion in a random potential, and superconductivity.
These physical problems will also serve as examples where more advanced methods and notions, like renormalization group or critical behavior at phase transitions, will be discussed.

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