Partha Sarathi Banerjee2026-04-272026-02-24https://ir.iitd.ac.in/handle/123456789/8094enOptical theoremDifferential scattering cross sectionElectrostatic and magnetic barriersGraphene based superconducting devicesQuantum hall- superconductor junctionsScattering of massless dirac fermions in modulated graphene junctions and its effect on electron transportThesis