SubjectsSubjects(version: 861)
Course, academic year 2019/2020
  
Selected Topics on Solid State Theory - NFPL065
Title: Vybrané partie z teorie pevných látek
Guaranteed by: Department of Condensed Matter Physics (32-KFKL)
Faculty: Faculty of Mathematics and Physics
Actual: from 2016
Semester: winter
E-Credits: 3
Hours per week, examination: winter s.:2/0 Ex [hours/week]
Capacity: unlimited
Min. number of students: unlimited
State of the course: not taught
Language: Czech
Teaching methods: full-time
Guarantor: Štefan Zajac
Classification: Physics > Solid State Physics
Annotation -
Last update: T_KFES (26.05.2003)
Cooperative phenomena in solids. Ferromagnetism in the model of localized and itinerant electrons. Spin waves theory. Various types of magnetic order in solids and their elementary excitations. Electrodynamics of metals and semiconductors. Interaction between itinerant electrons and phonons. Microscopic theory of superconductivity.
Literature - Czech
Last update: T_KFES (26.05.2003)

W.A.Harrison: Solid State Theory, McGraw Hill, New York 1970.

O.Madelung: Festkörpertheorie I,II, Springer, New York 1972.

Ľ.Hrivnák, V. Bezák, J.Foltyn, M.Ožvold: Teória tuhých látok, Veda, Bratislava 1985.

S.V.Vonsovskij: Magnetizm, Nauka, Moskva 1971.

Elements of Theoretical Magnetism, Academia, Praha 1968.

J.Crangle: The Magnetic Properties of Solids, E.Arnold, London 1977

Syllabus -
Last update: T_KFES (13.05.2005)


FPL061

1. Many body phenomena in solids.

General formulation of the problem of many particle systems. Elementary excitations - quasiparticles. Plasmons in metals.

2. Ferromagnetism in the model of localized electrons.

Direct exchange interaction and Heisenberg model of ferromagnetism. Theory of spin waves. Temperature dependence of spontaneous magnetization of ferromagnets.

   3. Ferromagnetism in the model of itinerant electrons.

Band energy spectrum of tranmsition metals, exchange splitting of bands. Criterion of band ferromagnetism. Spin waves excitations in ferromagnetio metals. Hubbard model of ferromagnetism.

4. Antiferromagnetism, ferrimagnetism, helimagnetism and other types of magnetic order.

Generalization of spin-wave theory for various types of magnetic order. Theory of indirect exchange, double exchange and super exchange. Rudermann-Kittel-Kasua-Yosida exhange interaction. Magnetism of f-elektron magnetic materials.

5. Electrodynamics of metals and semiconductors.

Interaction of itinerant electrons with phonons. Normal and anomalous skin effect. De Haas - van Alphen phenomenon. Determination of Fermi surfaces of itinerant electrons in metals. Microscopic theory of superconductuvity.






 
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