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**

**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**

**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**

**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 **

**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**

**Assignments**

**Sorry - no excuses for turning in assignments late!**

**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**