Chalmers University of Technology
Professor Andreev lecture course
Symmetry in Condensed Matter Physics - Magnetism and Superconductivity.
The contents of the lectures course
-
Importance of symmetry in condensed matter physics. Spontaneous symmetry
breaking. Types of ordering. Phase transitions.
-
Types of symmetry: special symmetry, spin rotations, time reversal, and
gauge invariance. Criteria of magnetic ordering and superconductivity.
-
Landau order parameters. Classification of magnetic orderings. Noncollinear
and helical structures. Spin nematics.
-
Collinear antiferromagnets. Dzyaloshinski -- Moriya interaction -- weak
ferromagnetism. Piezomagnetism. Magnetoelectric effect.
-
Macroscopic dynamics of magnets. Hydrodynamical description of antiferromagnetic
resonance and spin waves in collinear structures.
-
Classification of superconducting orderings. Singlet superconductivity.
Unconventional superconductivity. Zeroth of the energy gap. Exotic superconductivity.
-
Mesoscopics. Superconductivity in mesoscopic quantum dots. Connection with
the fundamental properties of space - time. Magnetic ordering in mesoscopic
quantum dots.
The schedule for lectures
The course has been split in two parts. The first three lectures will has
been delivered December 2001 and the rest has been given in the spring
2002.
The first part of the course (three lectures, December 2001)
-
Lecture December 11 (click for viewgraphs)
-
Lecture December 13 (click for viewgraphs)
-
Lecture December 14 (click for viewgraphs
)
The second part of the course (two lectures, April 16 and 18, 2002)
Click for viewgraphs.