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Quantum oscillation in band insulators and properties of non-equilibrium steady states in disordered insulators
Starting with the experiment on Kondo insulator SmB6 , which shows 1/B-periodic oscillations despite the absence of gapless electronic excitations in bulk, the candidate insulators showing quantum oscillation (QO) are on ...
Activity induced phase separation and the emergence of liquid crystal phases in chiral and achiral systems, and development of an efficient method to compute the entropy of various liquid crystal phases
The phase behaviour of shape-anisotropic particles is an emerging field of research that
gives rise to various liquid crystal phases. In this thesis, we explore various equilibrium and
non-equilibrium properties of ...
Global gyrokinetic simulations of electrostatic microturbulent transport in LHD stellarator and ADITYA-U tokamak
Tokamak and stellarator are two leading contenders in the quest to achieve nuclear fusion from magnetically-confined plasmas. They differ in terms of magnetic field structure in the toroidal direction. Irrespective of the ...
Active matter: chirality, translational order, and interfaces
My PhD work is on chiral active matter with solid and fluid directions, dynamics of the
interface of a nonconserved chiral order parameter in an active system, flocking on curved
manifolds and field-driven colloids in ...
Exploring dissipation dynamics in low-dimensional superconductor
Technological advances in the past decade in fabricating two-dimensional superconducting materials with low disorder have enabled exploring many exciting phases. In recent times, two-dimensional superconductors have been ...
Investigation of Optical and Electro-optical Effects at Material Interfaces
The key questions addressed in this thesis are related to light-matter interactions at the material interfaces and are related to both plasmonic as well as Pockels effects. Plasmonics enables the design of compact photonic ...
Linear and Nonlinear Ultrafast Time Resolved Spectroscopy of Topological Insulators, Weyl Semimetals and Semiconducting Nanowires
Ultrafast time resolved spectroscopy has recently gained immense significance due to its potential capability to explore the dynamics of photoexcited carriers in condensed matter systems. The technique has proved to be a ...
Interaction of Ionising Radiations with Nanoparticles
The interaction of ionizing radiations such as alpha, beta, gamma, and X-rays with matter-at bulk has been studied intensively for many decades. However, the interaction of ionizing
radiations with matter-at-nanoscale ...
Electronic behavior of epitaxial thin films of doped rare-earth nickelates
Rare-earth nickelates (RENiO3), a family of transition metal oxides, exhibit a complex phase diagram involving electronic, magnetic, and structural phase transitions. While LaNiO3 remains paramagnetic, metallic down to ...
Exponential Resummation of QCD at Finite Chemical Potential
A comprehensive study of the QCD phase diagram is one of the challenging and open
problems in high energy physics. Having significant astrophysical implications, this is
also important in constructing the chronological ...