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    Browsing Physics (PHY) by Title

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    Now showing items 247-266 of 482

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      • NMR Relaxation And Charge Transport In Conducting Polymers 

        Singh, Kshetrimayum Jugeshwar (2010-10-14)
        Conducting and semiconducting polymers, consisting of delocalized π-electrons, have been studied for the past three decades. These materials have shown novel physical properties with interesting applications in batteries, ...
      • Non-Equilibrium Phenomena in Sheared Soft Matter and Active Granular System 

        Bera, Pradip Kumar
        In this thesis, we have studied non-equilibrium phenomena in sheared soft matter systems and in granular active matter. The surfactant systems are driven out of thermal equilibrium by applying external forcing at the ...
      • Non-ergodicity in Interacting Quasiperiodic Systems and Disordered Fock Lattice Models 

        Ghosh, Soumi
        In this thesis, we study different aspects of many body localization in closed quantum systems. Many body localized systems are isolated interacting quantum systems that fail to thermalize on their own (non-ergodic) and ...
      • Nonequilibrium Fluctuations In Sedimenting And Self-Propelled Systems 

        Kumar, K Vijay (2013-06-10)
        Equilibrium statistical mechanics has a remarkable property: the steady state probability distribution can be calculated by a procedure independent of the detailed dynamics of the system under consideration. The partition ...
      • Nonequilibrium Steady States In Driven Diffusive Systems : Sheared Colloids, Noisy Ratchets And Sedimenting Suspensions 

        Lahiri, Rangan (2012-01-09)
      • Nonlinear Charge Transport and Photo-Physical Studies in Conjugated Polymers (P3meT, P3HT) and their Hybrid Composites with Silver Sulfide Quantum Dots 

        Khan, Motiur Rahman
        Organic semiconductors have been investigated as an emerging class of materials for their viable applications in electronics. Despite considerable improvement in device properties, a better understanding of the nature of ...
      • Novel Spectral Processing Methods in NMR – Wavelet Transform and Pattern Based Analysis 

        Adilakshmi, Dwarasala
        NMR spectroscopy provides a variety of information leading to an understanding of the properties of different materials. To extract this information from the experiments, one needs to have noise and artifacts free spectra ...
      • Novel spin, charge, and lattice dynamics in pyrochlore iridates : Raman and X-ray diffraction studies at low temperatures and high pressure 

        Rosalin, M
        This thesis investigates phonon dynamics, electronic, and spin excitations along with structural instabilities and phase transitions in rare earth pyrochlore iridates, A2Ir2O7 (A = Pr, Gd, Dy, and Er) and Bi-doped Sm2Ir2O7 ...
      • Novel Transport Properties Of Oxides Showing Giant Magnetoresistance 

        Mahendiran, R (2012-01-09)
      • De Novo Design Of Protein Secondary And Super Secondary Structural Elements: Investigation Of Interaction Patterns From The Crystal Structure Analysis Of Oligopeptides Containing α,β-Dehydrophenylalanine Crystal Structure Analysis Of Double Mutant M37L, P40S Thioredoxin From E.Coli 

        Rudresh, * (2007-12-06)
        ΔPhe an analogue of a coded amino acid phenylalanine (Phe) residue but with double bond between Cα and Cβ atoms, is one of the well studied residue among all the dehydro amino acids, as a conformation constraining amino ...
      • Nuclear Quadrupole Resonance And Relaxation Studies In Chloropyridines And High Pressure Studies In Chlorates 

        Amdjadi, Mohammed Hossein Ala (2012-12-04)
      • Numerical Studies of Problems in Turbulence : 1) Fluid Films with Polymer Additives; 2) Fluid Films with Inertial and Elliptical Particles; 3) Scaled Vorticity Moments in Three- and Two-dimensional Turbulence 

        Gupta, Anupam (2017-11-30)
        In this thesis we study a variety of problems in fluid turbulence, principally in two dimensions. A summary of the main results of our studies is given below; we indicate the Chapters in which we present these. In Chapter ...
      • Numerical Studies Of Slow Dynamics And Glass Transition In Model Liquids 

        Karmakar, Smarajit (2009-12-16)
        An increase in the co-operativity in the motion of particles and a growth of a suitably defined dynamical correlation length seem to be generic features exhibited by all liquids upon supercooling. These features have been ...
      • Numerical Studies of Spiral- and Scroll-wave Dynamics in Cardiac Tissue: (1) Spiral- and Scroll-Wave Turbulence; (2) Spiral- and Scroll-Wave dynamics in Anatomically and Physiologically realistic Mathematical Models for Canine and Human Ventricular Tissue 

        Rajany, K V
        A summary of the main results of our studies is given below. In most of our work, we use three mathematical models for cardiac myocytes, namely, the Panfilov model, the Aliev-Panfilov model, and the Hund-Rudy-Dynamic ...
      • Numerical Studies Of Thermodynamic And Structural Properties Of Disordered Solids 

        Ghosh, Siddhartha Shankar (2012-01-09)
      • Numerical Study Of The Complex Dynamics Of Sheared Nematogenic Fluids 

        Chakraborty, Debarshini (2013-07-17)
        In this thesis, we have tried to explain the regular and irregular(chaotic) dynamics of worm like micellar solutions on applying shear, through a detailed study of the equation of motion of a nematic order parameter tensor ...
      • Observational Aspects Of Core Collapse Supernovae 

        Gurugubelli, Uday Kumar (2013-10-17)
        The discovery of several bright supernovae (SNe) in recent years has evoked a great deal of interest in these objects. The study of these objects are of importance not only as probes to the end stages of stellar evolution, ...
      • On the electrical transport of weak topological insulators and Weyl semimetals 

        Majhi, Kunjalata
        Topological insulators have garnered enormous amount of attention owing to their unique topological properties. The surface states protected by the topology of the system hold limitless potentials including topological ...
      • On The Magnetic And Magnetotransport Studies Of Cobaltates And Superconductor/ Ferromagnet Heterostructures 

        Samal, Debakanta (2011-06-30)
        The study of the co-existence of singlet superconductivity and ferromagnetism in bulk materials has been a long standing and intriguing problem in condensed matter physics since the superconductivity and ferromagnetism are ...
      • On the Nature Of Propagating MHD Waves In The Solar Atmosphere 

        Gupta, Girjesh R (2014-10-15)
        One of the most persistent problem in solar physics is the identification of the mechanism that heats the solar corona and accelerates the fast solar wind. Magneto-hydrodynamic (MHD)waves play a crucial role in heating of ...

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