Advanced Solid State Physics

Lectures Winter Semester 2020

Introduction

• Oct 1, 2020 Introduction - Video - (pdf)

Fourier series and Fourier transforms

Electrons in crystals

• Free electrons - Video - (pdf) - Course notes,  Das freie Elektronengas 7.1-7.2
• Thermodynamic properties of metals - Video - (pdf) - Course notes
• Empty lattice approximation - Video - (pdf) - Course notes
• Band structure: Plane wave method, Tight binding method - Video - (pdf) - Course notes: Tight binding,  Energiebänder
• Graphene - Video - (pdf)
  
• Carbon Nanotubes - Video - (pdf) - Dispersion relations and densities of states of carbon nanotubes
• Band structures of one-dimensional potentials - Video - Course notes
• Photoemission - Video - (pdf)

Exam Questions: Mar 20 P1, Jan 20 P3, Mar 19 P2

Semiconductors

• Semiconductors - Video - (pdf), Halbleiter
• Boltzmann approximation - Video - (pdf) - Course notes
• Intrinsic semiconductors - Video - (pdf) - Course notes
• Extrinsic semiconductors - Video - (pdf)
• Semiconductor devices - Video - (pdf)

Exam Questions: Nov 18 P2

Phonons

• Phonons - Video - (pdf), Course notes, Dynamik des Kristallgitters

Magnetic effects and Fermi surfaces

• Free electrons in a magnetic field - Video - (pdf) - Charged particle in a magnetic field, Geladenes Teilchen in Elekromagnetischem Feld, Landau levels,   Thermodynamic properties of free electrons in a magnetic field
• Quantum Hall Effect - Video - (pdf)
• Fermi surfaces - Video - (pdf)

Exam Questions: Mar 20 P1, Mar 20 P4, Jun 19 P3

Magnetism

• Magnetism - Video , Magnetismus
• Diamagnetism - Video - (pdf)
• Paramagnetism - Video - (pdf) - Course notes on Paramagnetism
• Ferromagnetism - Video - (pdf) - Mean field theory
• Ferrimagnetism / Antiferromagnetism - Video - (pdf)
• Applications of magnetism - Video - (pdf)

Exam Questions: Jan 20 P4

Superconductivity

• Superconductivity - Video - (pdf), Supraleitung
• BCS theory, flux quantization - Video - (pdf) - Course notes
• Applications of superconductivity - Video - (pdf)

Exam Questions: Oct 19 P2, Jan 19 P2

Linear response theory and optical properties

• Causality and the Kramers - Kronig relations - Video - (pdf)- Course notes
• Optical properties of insulators and semiconductors - Video - (pdf)- Course notes,  Dielektrische Eigenschaften
• Optical absorption - Video - (pdf)
• Polarizability - Video - (pdf)
• Optical properties of materials, ellipsometry - Video - (pdf)
• Applications of dielectrics - Video - (pdf)
• Optical properties of metals - Video - (pdf) - Course notes
• Microwave engineering - Video - (pdf)

Exam Questions: Mar 20 P2, Jan 20 P1,  Oct 19 P4, Jun 19 P2, May 19 P1

Transport

• Transport - Video - (pdf) - Course notes: Bloch waves , Crystal momentum
• Boltzmann equation - Video - (pdf) - Course notes: Boltzmann equation, Relaxation time approximation,   Dynamik von Kristallelektronen: 9.4 Boltzmann-Transportgleichung
• Thermoelectric currents - Video - (pdf) - Course notes: Current densities, Electrochemical potential, Electrical conductivity, Thermoelectric current, Seebeck effect, Transport in the free electron model

Exam Questions: Mar 19 P3

Crystal physics

• Overview of solid state physics - Video
• Crystal physics - Video - (pdf) - Course notes: Table of the 32 crystal classes
• Crystal physics II - Video - (pdf)

Exam Questions: Mar 20 P3, Oct 19 P1, May 19 P2, Nov 18 P3

Structural phase transitions, Landau theory of phase transitions

• Phase transitions - Video - (pdf) - Course notes: SGTE thermodynamic data
• Ferroelectricity, piezoelectricity, and the Landau theory of phase transitions - Video - (pdf) - Course notes: Piezoelectricity, Landau theory of second order phase transitions, Landau theory of first order phase transitions

Exam Questions: Oct 19 P3, Jun 19 P4, May 19 P4, Mar 19 P4

Quasiparticles

• Introduction to quasiparticles, phonons - Video - (pdf)
• Magnons, plasmons, polaritons - Video - (pdf)
• Raman spectroscopy, Electron Energy Loss Spectroscopy - Video - (pdf)
• Excitons, polarons - Video - (pdf)

Exam Questions: May 19 P3, Mar 19 P1, Jan 19 P1, Nov 18 P1

Electron-electron interactions, Metal - Insulator transitions

• Electron-electron interactions, Metal - Insulator transitions - Video - (pdf)

Exam Questions: Jun 19 P1, Jan 19 P4

The videos of the lectures are available through the Teach Center at:

• Lectures Winter Semester 2019