M. Sc. (Physics):Liquid Crystals:Advanced Condensed Matter PhysicsThapar University
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Physics Lab I
Fundamentals of Computer Science and C Programming
Condensed Matter Physics
Experimental Techniques in Physics
Atomic and Molecular Physics
Physics Lab II
Physics Lab III
Advanced Condensed Matter Physics
Transport Properties of Solids: Boltzmann transport equation, Resistivity of metals and semiconductors, Thermoelectric phenomena,
Energy Band and Fermi Surface: Construction of Fermi Surface. Calculation of energy band: Tight bonding method, Weigner Seitz method, Pseudopotential method. Experimental methods of Fermi surface determination: Quantization of Orbits, Landau Levels, De Haas-van Alphen effect and its application for determination of Fermi surface of copper, Cyclotron resonance method for semiconductors and metals, Magnetoresistance method.
Physics of Low Dimensional solids: Electrons in high magnetic field: magnetic quantization and Landau Levels, Integral quantum Hall effect (QHE). Laughlin;s Theory and Fractional quantum Hall effect.Low dimensional conducting system: Classical, Ballistic and Diffusive transport regimes, Ballistic transport in constriction and nanowires: Conduction as transmission, quantization of conductance and Landuer Formalism.Coulomb blockade and single electron tunneling transistor (SET).
Plasmon, Polariton and Polaron: Dielectric function of electron gas, dispersion relation of electromagnetic wave and transverse optical mode of plasma, Pasmons, Electrostatic screening: Screened Coulomb potential, Screening of phonon in metals. Polariton: Theory of polariton and Lyddane-Sach-Teller(LST) relation. Electron-phonon interaction and polaron. Pierls insulator and instability of linear metals.
Optical process and Exciton: Optical Reflectance, Krammer-Kroning relation, Conductivity of collisionless electron gas, Electronic interband transition. Excitons: Frenkel exciton, Mott-Wanier exciton, Exciton condensation into electron-hole drop, Raman effect in crystals.
Ferroelectrics and Antiferroelectrics: Ferroelectrics: Ferroelctric crystals and it,s classification. Theory of ferroelectric displacive transitions; polarization catastrophe and frozen in soft optical phonons. Landau theory of Phase transition, First order and second order transition and their examples. Ferroelectric domains and Antiferroelctricity.
Superconductivity: Gaiver and Josephson tunneling, AC and DC Josephson effect, SQIDS and it’s application. Failure of BCS theory of superconductivity, Ginzburg-Landau theory: magnetic flux quantization and coherence length. Ginzburg-Landau-Abrikosov theory for type-II superconductors and the concept of flux pinning.