Physics + Applied Physics 195 — Introduction to Solid State Physics Donhee Ham, Gordon McKay Professor of Applied Physics and EE, Harvard University Lecture Note — Table of Contents (2015, Fall, Harvard University)

Lecture #1 Crystal binding. Lecture #2 Free electron Fermi gas — a theory of metals. Lecture #3 Elementary theory of electrical conductivity — Drude theory. Lecture #4 Crystal lattice waves. Lecture #5 Phonons + thermal properties due to lattice waves. Lecture #6 Introduction to electrons in a periodic potential and band theory (1D tight binding). Lecture #7 Crystal lattice and structures. Lecture #8 Reciprocal lattice. Lecture #9 Wave scattering by crystals; X-ray diffraction. Lecture #10 Bloch’s theorem and Brillouin zones. Lecture #11 Electronic band structure (I) — Tight binding (multi atoms/cell; one orbital/atom). Lecture #12 Electronic band structure (II) — Tight binding (multi atoms/cell; multi orbitals/atom). Lecture #13 Electronic band structure (III) — Nearly free electron model. Lecture #14 Band picture of solids. Lecture #15 Graphene band structure. Lecture #16 Bloch electron dynamics (I) — Equation of motion; effective mass tensor. Lecture #17 Bloch electron dynamics (II) — Conductivity & plasmonic mass tensors; cyclotron mass. Lecture #18 Semiconductors (I) — Silicon. Lecture #19 Semiconductors (II) — Germanium and Gallium Arsenide. Lecture #20 Intrinsic and extrinsic (doped) semiconductors. Lecture #21 pn junction diodes and bipolar junction transistors. Lecture #22 Collective phenomena (I) — Plasmonic excitation in a 3D conductor. Lecture #23 Collective phenomena (II) — Plasmonic excitation in a 2D conductor. Lecture #24 Collective phenomena (III) — Screening. Lecture #25 Collective phenomena (III) — Lindhardt dielectric function (SCF and RPA). Lecture #26 Paramagnetism and diamagnetism from free atoms. Lecture #27 Paramagnetism in solids and paramagnetism with conduction electrons. Lecture #28 Electron paramagnetic resonance and nuclear magnetic resonance. Lecture #29 Some consequences of electron-electron interactions: exchange and Mott transition. Lecture #30 Spontaneous magnetic order — ferro, anti-ferro, and ferri magnetism. Lecture #31 Dynamical phenomena in magnets — spin waves and ferromagnetic resonance. Lecture #32 Phenomena at optical frequencies — phonon polaritons, surface plasmon polaritons, interband transitions, and excitons.

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