M. Sc. (Physics):Liquid Crystals: Physics and Display -- ApplicationsThapar 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
Liquid Crystals: Physics and Display -- Applications
Classification of Liquid Crystals: Symmetry, Structure and classification of liquid Crystals, Polymorphism in thermotropics, Reentrant phenomena in liquid crystals. Blue phases Polymer liquid crystals, Distribution functions and order parameters, Macroscopic and microscopic order parameters. Measurement of order parameters, magnetic resonance, Electron spin resonance, Raman Scattering and X-ray diffraction.
Discotic Liquid Ctrystals: Symmetry and structure, Mean-field description of discotic liquid crystals, continuum description Lytropic liquid crystals and biological membrane.
Applications of liquid crystals: Seven segment and Alphanumeric displays, Twisted Nematic and super twisted nematic (TN & STN) display technology. Active matrix displays ( AMLCDS), other display phenomena, Opto-electronic phenomena in soft condense matter.
Theories of Liquid Crystalline Phase Transitions: Nature of Phase transitions and critical phenomena in liquid crystals, hard particle, Maier-Saupe and Van der Waals theories for nematic –isotropic and nematic-smectic. A transitions; Landau theory : Essential ingradients, aplication to nematic –isotropic, nematic-smectic A transitions and transitions involving smectic phases.
Continuum Theory: Curvature elasticity in nematic and smectic A phases, distortions due to magnetic and electric fields, Magnetic coherence length, Freedericksz transition, Field-induced cholesteric-nematic transition.
Dynamical Properties of Cholesterics: Optical properties of an ideal helix, Agents influencing the pitch, Liquid crystal displays
Ferroelectric Liquid Crystals: The properties of smectic C, Continuum description, Smectic C-smectic A transition, Applications, Physics of surface stabilized FLC display devices.