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TA1: Theoretical Solid State Physics – Material/Schedule

L1:
Tue.,10/18.:
Introduction, 1) Recap lattice structures & reciprocal lattice (AM Ch. 4&5, 7)
L2: Thurs., 10/20.: Reciprocal lattice cont'd (AM Ch. 6), X-Ray diffraction
L3:
Fri. 10/12:
2) Electrons in periodic potential: Bloch theorem: Derivations
L4:
Tue. 10/25:
Discussion Bloch theorem, band structure, effective mass, density of states, van-Hove singularities, electrons in a weak periodic potential
L5:
Thurs. 10/27
Electrons in a weak periodic potential,
Fermi surface, metals, band insulators
T1:
Fri., 10/28
Exercise set 1 (lattice structure)
L6:
Thurs., 11/3
Tight-binding approximation, Wannier fcts.
T2:
Thurs. 11/4
Exercise set 2 (Band structure, weak periodic potentials)
L7:
Tue, 11/8
Thermodynamics of the free electron gas, Sommerfeld expansion (AM Ch. 2)
L8:
Thurs, 11/10
Phonons (AM Ch. 22 & 23): Classical description
T3:
Fr. 11/11
Ex. Set. 3: Tight-binding approximation, kp theory
L9:
Tue, 11/15
Phonons, quantization and thermodynamics
L10:
Thurs, 11/17
Phonons: thermal conductivity, anharmonic effects (AM chap. 25)
T4:
Fr. 11/18
Ex. Set 4: Free Fermi gas & Sommerfeld expansion
L11:
Tue, 11/22
5) Semiclassical theory of electron dynamics: Drude theory (AM chap. 1)
T5:
Thurs, 11/24
Ex. Set 5: Phonon dispersion
L12,
Fri, 11/25
Semiclassical theory of electron dynamics (AM chap. 12 &13)
L13,
Tue, 11/29
Boltzmann equation,
(Madelung)
L14,
Thurs, 12/01
Boltzmann equation, relaxation time approxmation, linear response solution
(AM 13,16)
T6:
Fri, 12/02
Phonons: Thermodynamics & Anharmonic effects
L15,
Tue, 12/6
Transport coefficients
L16,
Thurs, 12/8
6) Electron-Electron interactions: properties of many-body wave-functions
T7:
Fri, 12/09
Semiclassical dynamics and Boltzmann eq.
T8:
Tue, 12/13
Transport in metals
L17,
Thurs, 12/15
Hubbard dimer, Hartree-Fock theory (AM 17)
L18,
Fri, 12/16
Hartree-Fock cont'd, Jellium model
Tue, 12/20 Midterm exam
L19,
Thurs, 12/22
Screening, Thomas-Fermi approximation,
2nd quantization
L20,
Fri, 12/23
2nd quantization cont'd
L21,
Tue, 01/10
2nd quantization cont'd, Discussion midterm exam
L22,
Thurs, 01/12
Dielectric response of a metal (Lindhard function)
L23,
Fri, 01/13
Basics of Fermi-liquid theory
T9,
Tue, 01/17
Set #9: Hartree-Fock theory
L24,
Thurs, 01/19
Basics of Fermi-liquid theory
T10,
Fri 01/20
Set #11: 2nd quantization
L25,
Tue, 01/24
Magnetism (AM Ch 33)
L26,
Thurs, 01/26
Magnetism
T11,
Fri, 01/27
Set #12: Dielectric response
L27,
Tue, 01/31
Cancelled
L27,
Thurs, 02/02
Magnetism: Heisenberg Ferromagnet
T12,
Fri, 02/03
Set #10: Numerical exercises
T13,
Tue, 02/07
Set #13: Exam preparation
L28,
Thurs, 02/09
Magnetism cont'd: Spin waves, spin-wave theory
T14,
Fri, 02/10
Set #14: Exam preparation & Magnetism
L29,
Fri, 02/10
Magnetism cont'd: thermodynamics
(2:30pm room A318!)

Verantwortlich für den Inhalt: F. Heidrich-Meisner