Condensed Matter Physics

Sitabhra Sinha

The goal of condensed matter physics is to understand how underlying laws unfold themselves in objects of the natural world. (M. C. Marder)

Class Schedule: Tuesday (11-30 AM) and Thursday (9-30 AM)

14/1/03: Introduction

16/1/03: Types of bonds: covalent bonds

21/1/03: No class

23/1/03: Types of bonds: ionic, metallic and Van der Walls (Assignment 1)

28/1/03: Hydrogen bond and introduction to biological macromolecules

30/1/03: Structure and scattering: Introduction

4/2/03: Strcture and scattering: structure factor and correlation functions; structure of fluids

6/2/03: Computer simulation techniques in Condensed Matter Physics: Molecular Dynamics and Monte Carlo

11/2/03: Ordered Solids (Crystals): Two-dimensional Crystal symmetry (Assignment 2)

13/2/03: Dislocations in Crystals (Guest Lecture by Dr P P Sinha)

18/2/03: Crystals: Close Packing of Spheres and Three-dimensional Crystal Structures (Assignment 3)

20/2/03: Crystals: Three-dimensional Crystal Systems and Bravais Lattices

25/2/03: Crystals: Reciprocal Lattice

27/2/03: Crystals: Miller Indices, Brillouin Zones and the significance of the Convolution Theorem

4/3/03: Electronic Structure: Introduction to Models; Free Fermi Gas (Assignment 4)

6/3/03: Free Fermi Gas: Density of States, Ground State Energy, Low-temperature expansion

11/3/03: Special Lecture by G. I. Menon: Soft-Condensed Matter & Complex Fluids

13/3/03: Electron-electron interaction: Mott transition

18/3/03 and 23/3/03: Special Lecture by R. Anishetty: Protein Folding

27/3/03: Band theory: Kronig-Penney model, Bloch's Theorem, Ziman model, Coupled modes

29/3/03: Band theory: Effective mass, effective number, what makes a metal, Hall effect

1/4/03: Band theory: Fermi surface

3/4/03: Band theory: Fermi surface of nearly free electrons, electron and hole orbits, Tight-binding method, deHaas-van Alphen effect

8/4/03: Theory of deHaas-van Alphen effect, Landau levels
            Lattice dynamics: vibrations of a classical monoatomic lattice

10/4/03: Lattice Dynamics: classical diatomic lattice; quantised lattice vibrations: Einstein & Debye theory

15/4/03: Phonons: neutron scattering

16/4/03: Phonon mean free path, Thermal expansion: breakdown of harmonic approximation
Cooperative Phenomena: Introduction (difference between 1st order and continuous transition), 1D Ising model : exact solution using transfer matrix method

17/4/03: Special Lecture by T. Chakrabarty: Quantum Hall Effect

22/4/03: Helix-coil transition

23/4/03: Magnetic order, Larmor diamagnetism and van Vleck paramagnetism

24/4/03: Curie Paramagnetism; Magnetism of Free electron gas: Pauli paramagnetism, Landau diamagnetism and de Haas-van Alphen effect; Exchange interaction & perturbation theory

29/4/03: Heisenberg spin model; Neural networks : Hopfield model

30/4/03: Introduction to Superconductivity: zero resistance, Meissner effect, Type-I and Type-II superconductors, qualitative explanation of the BCS theory and Cooper pair formation, Tunneling

1/5/03: Special Lecture by G. Baskaran: Superconductivity

2/5/03: Phenomenological Theories of Superconductivity: Thermodynamics, London Equations, Ginzburg-Landau Theory; Josephson Junction - analogy with pendulum motion


Sorry - no excuses for turning in assignments late!

Assignment 1 (due 30/1/03)

Assignment 2 (due 18/2/03)

Assignment 3 (due 25/2/03)

Assignment 4 (due 14/3/03)

Essential web resources for condensed matter physics:
Periodic Table of the Elements (Los Alamos)
The Molecular Universe : A treasure trove of information about structure of materials, surfaces and interfaces, biological molecules, etc.
Crystallography 101: An Introductory Course by B. Rupp: An excellent X-ray crystallography tutorial.
An Interactive Course on Symmetry and Analysis of Crystal Structure by Diffraction