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Solid State Physics

Solid State Physics. Instructor: Dr. Nirmal Ganguli, Department of Physics, IISER Bhopal. This course is designed to introduce the structure, electronic, and other fundamental properties of solids to the students. It is supposed to be the fundamental course on solid state physics, covering in detail the representation of crystal structure, symmetries in solid, x-ray diffraction, bonding, transport properties, electronic structure, vibration of the lattice, outline of magnetism, and superconductivity. We will carefully develop the concepts in logical steps and solve problems, resulting in a concrete understanding of the topics. While a course covering these topics is mandatory in almost every university around the world for the Physics students, Chemistry and Electrical Engineering students interested in research of condensed matter physics may benefit from the course. (from nptel.ac.in)

Lecture 49 - Vibration of Crystals with Monatomic Basis


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Lecture 01 - What is Solid?
Lecture 02 - Bravais Lattice
Lecture 03 - Indexing of Crystal Planes
Lecture 04 - Simple Crystal Structures
Lecture 05 - Diffraction of Waves by Crystals
Lecture 06 - Fourier Analysis of Diffraction
Lecture 07 - Diffraction Condition
Lecture 08 - Laue Equations and Ewald Construction
Lecture 09 - Introduction to Brillouin Zone
Lecture 10 - Brillouin Zones for BCC and FCC Lattice
Lecture 11 - Fourier Analysis of the Basis and Structure Factor
Lecture 12 - Atomic Form Factor
Lecture 13 - van Der Waals Attraction
Lecture 14 - Repulsive Interaction
Lecture 15 - Equilibrium Lattice Constant and Cohesive Energy
Lecture 16 - Ionic Crystals
Lecture 17 - Evaluation of the Madelung Constant
Lecture 18 - Covalent Crystals: Linear Combination of Atomic Orbitals
Lecture 19 - Electron Tunneling in Covalent Bonds
Lecture 20 - Metallic Bonds
Lecture 21 - The Drude Theory of Metals
Lecture 22 - Hall Effect and Magnetoresistance
Lecture 23 - AC Electrical Conductivity
Lecture 24 - Thermal Conductivity
Lecture 25 - Introduction to Sommerfeld Theory I
Lecture 26 - Introduction to Sommerfeld Theory II
Lecture 27 - Electronic States at Finite Temperature
Lecture 28 - Fermi-Dirac Distribution
Lecture 29 - Thermal Properties of the Free Electron Gas
Lecture 30 - The Sommerfeld Theory for Conduction in Metals
Lecture 31 - Thermal Conductivity
Lecture 32 - One Dimensional Chain of Atoms
Lecture 33 - Periodic Boundary Condition
Lecture 34 - The Bloch Theorem in One Dimensional Periodicity
Lecture 35 - Energy Levels in Periodic Array of Quantum Wells
Lecture 36 - Tunneling of Electrons
Lecture 37 - Reflection and Transmission Amplitudes and Coefficients
Lecture 38 - Transfer Matrix for a Rectangular Barrier
Lecture 39 - Electron Tunneling through a Periodic Potential
Lecture 40 - The Tight-binding Approximation
Lecture 41 - Tridiagonal Matrices and Continued Fraction
Lecture 42 - Plane-wave Basis for Nearly Free Electrons
Lecture 43 - Nearly Free Electron Approximation
Lecture 44 - Dynamical Aspects of Electrons in Band Theory
Lecture 45 - Semiconductor Crystals
Lecture 46 - Effective Mass
Lecture 47 - Carrier Concentration
Lecture 48 - Mobility, Impurity Conductivity, and Fermi Surface
Lecture 49 - Vibration of Crystals with Monatomic Basis
Lecture 50 - Analyzing the Dispersion Relation
Lecture 51 - Phonons with Diatomic Basis
Lecture 52 - Quantization of Elastic Waves
Lecture 53 - Phonon Heat Capacity
Lecture 54 - Phonon Density of States
Lecture 55 - Introduction to Diamagnetism
Lecture 56 - Issues with the Classical Theory of Diamagnetism
Lecture 57 - Quantum Theory of Diamagnetism
Lecture 58 - The Quantum Theory of Paramagnetism
Lecture 59 - Rare Earth Atoms, Hund's Rule
Lecture 60 - Crystal Field Splitting
Lecture 61 - Quenching of Orbital Angular Momentum
Lecture 62 - Paramagnetic Susceptibility of Conduction Electrons
Lecture 63 - Ferromagnetism
Lecture 64 - Antiferromagnetism and Ferromagnetism
Lecture 65 - Introduction to Superconductivity
Lecture 66 - Thermodynamics of Superconducting Transition, London Equation
Lecture 67 - BCS Theory of Superconductivity
Lecture 68 - Flux Quantization in a Superconducting Ring
Lecture 69 - Single Particle Tunneling and Josephson Effect
Lecture 70 - AC Josephson Effect and Microscopic Quantum Interference