Teaching
- Course title: Experimental Techniques- II (April – May, 2020)
Total no. of lectures: 9 (1.5 hours each)
- Course title: Soft Matter Theory (March – May, 2019)
Total no. of lectures: 16 (1.5 hours each)
- Course title: Soft Condensed Matter- I (October – December, 2019)
Total no. of lectures: 12 (1.5 hours each)
Topics covered:
Polymer physics: General Introduction to polymers, freely jointed chain model (FJC), short ranged correlation along a chain, freely rotating chain model (FRC), persistence length and Kuhn length, worm-like chain model (WLC), radius of gyration for FJC, FRC, WLC, chain statistics and force-extension relation, effect of self-avoidance: Flory theory in d-dimensions, effect of solvent condition on chain statistics, polymer melts and visco-elasticity, Boltzmann superposition, time-temperature superposition in glassy polymers, zero shear viscosity and terminal time, theory of reptation dynamics.
Physics of colloidal dispersion: Introduction, Brownian motion and diffusion equation, Stokes Einstein relation, Smoluchowski equation, fluctuation-dissipation relation, Langevin equation, interaction between colloids: van der Waals and screened-electrostatic interactions, Zeta potential, DLVO theory for suspension stability, Derjaguin Approximation, steric repulsion, depletion interactions, phase diagram for colloidal suspensions, random close packing and crystalline orders, their dependence on Debye layer thickness, Newtonian, shear-thinning and shear-thickening behaviour in colloidal suspensions, Peclet number.