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    • Browsing Division of Physical and Mathematical Sciences by thesis submitted date
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    Browsing Division of Physical and Mathematical Sciences by thesis submitted date"2011"

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    Now showing items 1-20 of 24

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      • An Algorithmic Approach To Crystallographic Coxeter Groups 

        Malik, Amita (2013-02-14)
        Coxeter group, named after H.S.M. Coxeter, is an abstract group that admits a formal description in terms of mirror symmetries. It turns out that the finite Coxeter groups are precisely the finite Euclidean reflection ...
      • Development And Performance Study Of Nanostructured Metal Oxide Gas Sensor 

        Parmar, Mitesh Ramanbhai (2015-01-07)
        The basic necessities to sustain life are – air, water and food. Although the harmful effects due to contaminated food or water are dangerous to life, these can be reduced/avoided by controlling the intake. Whereas, in ...
      • Dilations, Functoinal Model And A Complete Unitary Invariant Of A r-contraction. 

        Pal, Sourav (2013-08-02)
        A pair of commuting bounded operators (S, P) for which the set r = {(z 1 +z 2,z 1z 2) : |z 1| ≤1, |z 2| ≤1} C2 is a spectral set, is called a r-contraction in the literature. For a contraction P and a bounded commutant ...
      • Electrical Impedance Spectroscopic Studies On Bread Staling : Sensors And Instrumentation 

        Bhatt, Chintan M (2013-04-15)
        Quality control is essential in food industry and efficient quality assurance is becoming increasingly important. The assessment of food quality still centers on its sensory properties (appearance, aroma and texture). Bread ...
      • Fourier Analysis On Number Fields And The Global Zeta Functions 

        Fernandes, Jonathan (2014-08-04)
        The study of zeta functions is one of the primary aspects of modern number theory. Hecke was the first to prove that the Dedekind zeta function of any algebraic number field has an analytic continuation over the whole plane ...
      • Investigations On Certain Tellurium Based Bulk Chalcogenide Glasses And Amorphous Chalcogenide Films Having Phase Change Memory (PCM) Applications 

        Das, Chandasree (2014-09-04)
        Chalcogenide glass based Phase Change Memories (PCMs) are being considered recently as promising alternatives to conventional non-volatile Random Access Memories (NVRAMs). PCMs offer high performance & low power consumption, ...
      • Investigations On Electrodes And Electrolyte Layers For Thin Film Battery 

        Nimisha, C S (2013-07-03)
        The magnificent development of on-board solutions for electronics has resulted in the race towards scaling down of autonomous micro-power sources. In order to maintain the reliability of miniaturized devices and to reduce ...
      • Irreducible Representations Of The Symmetric Group And The General Linear Group 

        Verma, Abhinav (2013-01-31)
        Representation theory is the study of abstract algebraic structures by representing their elements as linear transformations or matrices. It provides a bridge between the abstract symbolic mathematics and its explicit ...
      • Low Temperature Charge Transport And Magnetic Properties Of MWNTs/MWNT-Polystyrene Composites 

        Bhatia, Ravi (2014-11-19)
        Carbon nanotubes (CNTs) have been recognized as potential candidates for mainstream device fabrication and technologies. CNTs have become a topic of interest worldwide due to their unique mechanical and electrical properties. ...
      • Magnetisation, Phases & Phase Transitions in Frustrated and Unfrustrated XY Model 

        Maji, Maheswar (2018-02-23)
        Through our whole work we study the XY model with all its entirety, a particular spin model where spins are confined in a plane. We try to bring out a good understanding of this model with all different types of phases and ...
      • Novel Diffraction Based Deflection Profiling For Microcantilever Sensor Technology 

        Phani, Arindam (2015-02-04)
        A novel optical diffraction based technique is proposed and demonstrated to measure deflections of the order of ~1nm in microcantilevers (MC) designed for sensing ultra-small forces of stress. The proposed method ...
      • 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 ...
      • One Dimensional Transport And Prospects Of Structural Transitions In Ultrathin Metallic Wires 

        Chandni, U (2013-02-25)
        This thesis reports transport in ultrathin single crystalline nanowires of gold (∼ 2nm). These nanowires were fabricated using an oriented attachment process whereby nanoparticles of appropriate dimensions join in a linear ...
      • "Optical Diffraction By Micro Cylinder" - A Few Investigations 

        Vyas, Khushi (2013-04-04)
        Micro-cylinders with the diameters spanning the 1-20 μm range are growing in importance, for realizing devices with new functionalities. For custom functionalities, their device-designs impose, tolerance-related constraints ...
      • Optical Tweezers To Probe And Manipulate Soft, Nano And Bio Systems 

        Khan, Manas (2013-01-31)
        Statistical physics in soft matter systems, physical properties of bio-inspired systems and the mechanical manipulations of nano-systems have been studied using optical tweezers to form the basis of this doctoral Thesis. ...
      • Optical, Electrical and Photo-physical Investigations of Cd(Hg)Te Nanostructures Synthesized by Solvothermal Method 

        Khatei, Jayakrishna
        The thesis investigates the optical, photo-physical, and electrical properties of CdTe and HgCdTe nano- and micro-structures synthesized by hydrothermal/solvothermal technique. Application oriented studies like fluorescence ...
      • Phenomenological Theory Of Superconductivity And Low-Energy Electronic Spectra In The High-Tc Cuprates 

        Banerjee, Sumilan (2013-09-11)
        Condensed matter physics is a rapidly evolving field of research enriched with the synthesis of new materials exhibiting a bewildering variety of phenomena and advances in experimental techniques. Over the years, discoveries ...
      • A Preliminary Investigation Of The Role Of Magnetic Fields In Axially Symmetric rf Ion Traps 

        Sridhar, P (2013-07-16)
        Axially symmetric rf ion traps consists of a mass analyser having three electrodes, one of which is a central ring electrode and the other two are endcap electrodes. In the ideal Paul trap mass spectrometer, the electrodes ...
      • A Preliminary Study Of Fields In Split-Electrode Ion Traps 

        Sonalikar, Hrishikesh Shashikant (2014-08-20)
        Ion traps used in mass spectrometers are of two classes. One class consists of traps having three electrode geometries which have rotational symmetry about central axis. They are called axially symmetric ion traps. Paul ...
      • Ricci Flow And Isotropic Curvature 

        Gururaja, H A (2014-09-03)
        This thesis consists of two parts. In the first part, we study certain Ricci flow invariant nonnegative curvature conditions as given by B. Wilking. We begin by proving that any such nonnegative curvature implies nonnegative ...

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