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    Browsing Physics (PHY) by Title

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      • Excursions in ill condensed quantum matter from amorphous topological insulators to fractional spins 

        Agarwala, Adhip
        Condensed matter physics is a fascinating subject where collective properties of many particle systems show exotic emergent phenomena, practically unpredictable from the behavior of individual constituents. Many basic ...
      • Experimental and Molecular Dynamics Simulation Study of Viscosity of Polymer Nanocomposites 

        Ibrahim, Mohd (2018-08-29)
        One of the important dynamic parameter characterizing the properties of polymer nanocomposite is viscosity. It is a quantity of interest on macroscopic scale also. A thorough study of viscosity in case of polymer nanocomposite ...
      • Experimental And Theoretical Studies Towards The Development Of A Direct 3-D Diffuse Optical Tomographic Imaging System 

        Biswas, Samir Kumar (2014-06-02)
        Diffuse Optical Tomography is a diagnostic imaging modality where optical parameters such as absorption coefficient, scattering coefficient and refractive index distributions are recovered to form the internal tissue ...
      • Experimental Investigation of Electrons In and Above Liquid Helium 

        Rath, Pranaya Kishore
        Electrons on the surface of liquid helium form a nearly ideal 2-dimensional electron system (2DES). An electron density up to 2 × 10^9 cm-2, known as the critical electron density, can be achieved on the liquid helium ...
      • Experimental Investigation of Multielectron Bubbles in Liquid Helium 

        Vadakkumbatt, Vaisakh (2017-11-28)
        Multielectron bubbles (MEBs) are micron sized cavities in liquid helium that contain electrons confined within a nanometer thick layer on the inner surface of a bubble. These objects present a rich platform to study the ...
      • Experimental Studies in Quantum Optics using Diode Lasers 

        Khan, Sumanta
        This thesis discusses experimental studies with vapor cells containing rubidium (Rb) or cesium (Cs) atoms. Transitions in the atoms (D1 and D2 lines) are accessed using diode lasers. Experiments are performed at room ...
      • Experimental Studies Of Electron Spin Dynamics In Semiconductors Using A Novel Radio Frequency Detection Technique 

        Guite, Chinkhanlun (2015-08-05)
        A novel experimental setup has been realized to measure weak magnetic moments which can be modulated at radio frequencies (~1–5 MHz). Using an optimized radio-frequency (RF) pickup coil and lock-in amplifier, an experimental ...
      • An experimental study on thermoelectric transport at van der Waals interfaces 

        Mahapatra, Phanibhusan S
        When two planar atomic or molecular layers are brought to sub-nanometer proximity, they form a van der Waals interface because the van der Waals force forms the dominant attractive force between them. The van der Waals ...
      • Experiments on the 852 nm D2 Line of 133Cs with a Diode Laser System and their use in Measurement of the Permanent Electric Dipole Moment of the Electron 

        Ravi, Harish (2018-07-14)
        We give a brief introduction to atomic physics and the motivation behind our experiments in the first chapter. The electron’s electric dipole moment is an interesting quantity which is yet to be measured. In the 3rd Chapter, ...
      • Exploration of multiferroicity, emergence of exchange bias effect and glassy magnetism in doped hexagonal rare-earth manganites 

        Sarkar, Tanushree
        In recent days, the need for device miniaturization has led to immense research activities in the field of material science. It has become essential to discover and design new materials or to modify the existing materials ...
      • Exploring carrier dynamics in van-der-Waals heterostructures with shot noise spectroscopy, thermoelectricity and opto-electronic study 

        Paul, Arup Kumar
        In the last two decades, there has been tremendous progress in two-dimensional (2D) - material research. It is mainly due to the availability of a large selection of 2D-materials and their van-der-Waals heterostructures. ...
      • Exploring dissipation dynamics in low-dimensional superconductor 

        Baidya, Prakiran
        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 ...
      • Exploring Electron Bubbles in Liquid Helium using Cavitation 

        Yadav, Neha
        An electron entering liquid helium experiences a repulsive potential of 1 eV. This originates in the interaction between the injected electron and electrons of the closed shells of helium atoms through Pauli exclusion ...
      • Exploring one and two-channel Kondo effect and investigating dielectric properties in ferrimagentic nanocomposites of LaNiO3 and CoFe2O4 

        Patra, Ananya
        The Kondo effect is a well-known and intensely studied phenomenon in condensed matter physics. After the theoretical prediction of Zawadowski and Noizères about the two-channel Kondo (2CK) effect, several successful attempts ...
      • Facile and Process Compatible Growth of High-k Gate Dielectric Materials (TiO2, ZrO2 and HfO2) on Si and the Investigation of these Oxides and their Interfaces by Deep Level Transient Spectroscopy 

        Kumar, Arvind (2018-07-14)
        The continuous downscaling has enforced the device size and oxide thickness to few nanometers. After serving for several decades as an excellent gate oxide layer in complementary metal oxide semiconductor (CMOS) devices, ...
      • Fermi Bubbles and Galactic Outflows in Circumgalactic Medium 

        Sarkar, Kartick Chandra
        Galactic outflows play an important role in the formation and evolution of galaxies by regulating the star formation rate (SFR) within them and by throwing out metals into the intergalactic medium (IGM). They are key to ...
      • First Principles Study of Oxides : Bulk, Interfaces and Defects 

        Biswas, Tathagata
        In the recent years, oxides have been the focus of numerous theoretical and experimental studies. This is because of a wide variety of exotic physical phenomenon, such as multiferroicity, charge ordering, metal-insulator ...
      • First principles study of the structural, electronic, elastic, mechanical, thermal, and vibrational properties in pyrochlores and temperature-dependent phonon properties in pyrochlores and SrTiO3 perovskite 

        Verma, Pramod Kumar
        In this thesis, first-principles density functional theory (DFT) calculations are used to study the structural, electronic, elastic, mechanical, and thermal properties in a series of pyrochlore materials. The vibrational ...
      • Flocks, Flow and Fluctuations in Inanimate Matter : Simulations and Theory 

        Soni, Harsh
        In this thesis we study a novel soft-matter system that imitates motility. Our system consists of a few asymmetrically tapered brass rods and aluminium beads which are confined between two vertically shaking plates. The ...
      • Flow Induced Instabilities, Shear-Thickening And Fluctuation Relations In Sheared Soft Matter 

        Majumdar, Sayantan (2016-09-09)
        In day to day life we encounter many different materials which are intermediate between crystalline solids and simple liquids that include paints , glues , suspensions, polymers, surfactants, food and cosmetic products and ...

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