NPTEL : NOC:Electronic Theory of Solids (Physics)

Co-ordinators : Prof. Arghya Taraphder


Lecture 1 - Free electrons: Drude Theory

Lecture 2 - Weidemann Franz Law

Lecture 3 - Drude Model continued: Hall Effect

Lecture 4 - Schrodinger Equation: Boundary Conditions

Lecture 5 - Density of States

Lecture 6 - Properties of Degenerate Fermi Gas

Lecture 7 - Statistics Fermi-Dirac distribution and Maxwell-Boltzmann Distribution: comparison and Specific Heat

Lecture 8 - Sommerfeld Expansion and Band Formation: Temperature dependent densities, Chemical Potential, Specific Heat

Lecture 9 - Bonding and Band Formation: N=2 solid Molecular Orbitals, Linear combinations of Atomic Orbitals (LCAO)

Lecture 10 - Variational Method: Molecular Orbitals, Bonding and anti-bonding Orbitals

Lecture 11 - Bonding and Band Formation (LCAO)

Lecture 12 - Bonding and Band Formation (LCAO) (Continued...)

Lecture 13 - Bloch's Theorem

Lecture 14 - Proof of Bloch's Theorem

Lecture 15 - N atoms Solid

Lecture 16 - Brillouin Zones

Lecture 17 - Tight binding: lattice with a basis

Lecture 18 - Fermi Surfaces

Lecture 19 - Lattice with basis:Energy Spectrum

Lecture 20 - Energy spectrum (Continued...)

Lecture 21 - Graphene and Fermi Surfaces

Lecture 22 - Fermi Surfaces Instabilities

Lecture 23 - Low Dimensional Systems

Lecture 24 - Integer Quantum Hall Effect (IQHE)

Lecture 25 - Integer Quantum Hall Effect (Continued...)

Lecture 26 - Electron in a Strong Magnetic Field and IQHE

Lecture 27 - Spintronics: Introduction and Applications

Lecture 28 - Magnetism

Lecture 29 - Magnetism: Quantum Theory

Lecture 30 - Hund's Rule

Lecture 31 - Curie's Law and Van Vleck Paramagnetism

Lecture 32 - Curie's law for any J, Susceptibility

Lecture 33 - Susceptibility and Thermal Properties

Lecture 34 - Adiabatic Demagnetisation

Lecture 35 - Pauli Paramagnetism

Lecture 36 - Paramagnetism of metals

Lecture 37 - Exchange interaction for 2 electrons

Lecture 38 - Exchange interactions of different types

Lecture 39 - Magnetic Order

Lecture 40 - Magnetic Order of different types and Heisenberg model

Lecture 41 - Ising Model

Lecture 42 - Mean Field Theory

Lecture 43 - Spontaneous magnetisation and 1D Ising Model

Lecture 44 - Symmetries of Ising model, Exact Solution

Lecture 45 - Ferromagnetic Heisenberg Model

Lecture 46 - Ground State and Magnons/Excitations

Lecture 47 - Superconductivity

Lecture 48 - London Equation

Lecture 49 - Meisner Effect from London Equation

Lecture 50 - Cooper problem

Lecture 51 - Instability of the Fermi Surface

Lecture 52 - BCS Theory Introduction

Lecture 53 - BCS Theory, Excitation Spectrum

Lecture 54 - BCS

Lecture 55 - Tunneling and Ginzberg Landau Theory

Lecture 56 - Electrodynamics of Superconductivity

Lecture 57 - Type II superconductors

Lecture 58 - Josephson junction

Lecture 59 - Vortices, SQUID, Quantum Supremacy and Qubits

Lecture 60 - Topological state of matter, XY Model, Topological Insulators