PHY 403/607 : Condensed Matter Physics

Instructor:

  • Ravi Shankar Singh (Instructor)

    • Class Timings and Evaluation:

    Classes will be held at LHC (Bhouri) according to the following schedule

    Day
    		 Timing and classroom
    Monday
    		 14:00 - 14:55 (L6)
    Wednesday
    		 14:00 - 14:55 (L6)
    Thursday
    		 14:00 - 14:55 (L6)

    Course will have continuous evaluation and the weights will be following:

    Evaluation type
    		 Weight
    Attendance & Assignments
    		 5%
    Surprize Quizes
    		 20%
    Mid Semester Exam
    		 25%
    End Semester Exam
    		 50%

    Reference Books:

  • C. Kittel, Introduction to Solids State Physics (8rd Ed.). Flipkart, Infibeam
  • N. W. Ashcroft and N. D. Mermin, Solids State Physics. Flipkart, Infibeam
  • A. J. Decker, Solids State Physics. Flipkart, Infibeam
  • P. M. Chaikin and T. C. Lubensky, Principles of Condensed Matter Physics. Flipkart, Infibeam

    • Course Content:

  • Structure of solids, Symmetry, Unit cell, Miller indices, Simple crystal structure, Diffraction of x-rays, Reciprocal lattice, Laue equations and Bragg’s law, Brillouin Zones, Atomic scattering and structure factors, Defects and dislocations.

  • Bonding in solids, van-der Wall and Repulsive interactions, Lennard Jones potential, Cohesive energy and compressibility, Ionic crystals, Madelung potential, Covalent crystals, Metals, atomic and ionic radii.

  • Vibrations of one dimensional monoatomic and diatomic chain, Normal modes and Phonons,, Phonon spectrum, Long wavelength of acoustic phonons and elastic constants, specific heat capacity, Density of states, thermal expansion and conductivity.

  • Free electron theory, Periodic potential, Band theory, Tight binding, Classification of metals, insulators and semiconductors, Cellular and pseudopotential methods, Symmetry of energy bands, Density of state, Fermi surface, de Hass-van Alphen effect, Motion of electron in electric and magnetic fields, Hall Effect, Quantum Hall Effect, Magnetoresistance, Superconductivity, Meissner effect.

  • Dia-, Para- and Ferromagnetism, origin of magnetism, Langevin's theory of paramagnetism, Weiss Molecular theory, Ferromagnetic ordering, spin waves, magnons, ferromagnetic domains.