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Course, academic year 2023/2024
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Introduction to High Temperature Superconductor Physics - NFPL101
Title: Úvod do fyziky vysokoteplotních supravodičů
Guaranteed by: Department of Low Temperature Physics (32-KFNT)
Faculty: Faculty of Mathematics and Physics
Actual: from 2023
Semester: winter
E-Credits: 3
Hours per week, examination: winter s.:2/0, Ex [HT]
Capacity: unlimited
Min. number of students: unlimited
4EU+: no
Virtual mobility / capacity: no
State of the course: taught
Language: Czech
Teaching methods: full-time
Teaching methods: full-time
Guarantor: RNDr. Jan Koláček, CSc.
Mgr. Michal Šindler, Ph.D.
Classification: Physics > Solid State Physics
Annotation -
Last update: T_KFNT (22.05.2001)
Physical properties of high temperature superconductors, relevant theoretical models, superconducting materials, vortices, vortex properties, vortex dynamics.
Course completion requirements - Czech
Last update: doc. RNDr. Vojtěch Chlan, Ph.D. (12.06.2019)

Zkouška probíhá ústní formou. Požadavky ke zkoušce odpovídejí sylabu předmětu v rozsahu, který byl prezentován na přednášce.

Syllabus -
Last update: T_KFNT (05.05.2003)
I. Introduction
History of superconductivity. Discovery of high temperature superconductors. Record critical temperature, Importance of high temperature superconductivity.

II. Materials.
Overview of high Tc materials. Structure. Basic properties. Thin films and monocrystals growing. .

III. Theoretical models - BCS.
Bardeen, Cooper, Schriefer (BCS) theory. Basic parameters. Limiting cases. Symmetry of the order parameter. Comparison of high temperature and low temperature superconductors. Alternative paring mechanisms. The problem to explain high critical temperature.

IV. non BCS theoretical models.
Marginal Fermiho liquid, t-J model, bipolaron model.

V. Physical properties.
Transport properties - conductivity, Hall voltage. Magnetic properties. Tunellling. Infrared and Raman spectroscopy. Energy gap determination.

VI. Vortices
Basic concepts. Vortex lattice. Vortex dynamics. Phase diagrams Importance for application.

VII. Application - current stage and the outlook.
Superconducting solenoids. SQUID and its application. Bolometers. Computer components

 
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