Browsing Physics (PHY) by Title
Now showing items 412-431 of 451
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Thermal And Optical Properties Of Ge-Se Glass Matrix Doped With Te, Bi And Pb
(2007-12-29)During the last few years the scientific interest in chalcogenides glasses has been provoked on account of their properties and new application possibilities. These materials exhibit electrical and optical properties, which ... -
Thermal Fluctuation Spectroscopy And Its Application In The Study Of Biomolecules
(2009-03-03)The aim of this thesis is to study the energy fluctuations (leading to thermal fluctuations) during thermal and enzymatic denaturation of biological molecules and to study the variation in fluctuations between simple ... -
Thermalization and its Relation to Localization, Conservation Laws and Integrability in Quantum Systems
(2018-07-26)In this thesis, we have explored the commonalities and connections between different classes of quantum systems that do not thermalize. Specifically, we have (1) shown that localized systems possess conservation laws like ... -
Thermodynamics and Statistical mechanics of loops: A Monte Carlo study
Thermodynamics and Statistical Mechanics of Multi-colored Loop models in three dimensions: A Monte-Carlo study. Soumya Kanti Ganguly Department of Physics. ABSTRACT A perfectly crystalline solid is a regular ... -
Thermoelectric Propeties of Cu Based Chalcogenide Compounds
(2017-12-12)Thermoelectric (TE) materials directly convert heat energy into electrical energy. The conversion efficiency of the TE devices depends on the performance of the materials. The conversion efficiency of available thermoelectric ... -
Thin Film Instabilities Mediated Self-Assembly of Polymer Grafted Nanoparticles
(2018-07-18)After the advent of nanotechnology, self-assembly has become an active area of research, as it being one of the few efficient methods to generate ensembles of nanostructures. In this thesis, we present studies on two ... -
Tomographic Studies of Pulsar Radio Emission Cones and Searches for Radio Counterparts of Gamma-Ray Pulsars
(2018-04-18)Radio emission from pulsars is believed to originate from charged particles streaming along the open magnetic field lines, radiating within a narrow cone at each of the two magnetic poles. In each rotation of the star, the ... -
Topics In Anyons And Quantum Spin Systems
(2012-06-07) -
Topological Insulators and Transition Metal Dichalcogenides Under Extreme Conditions : Optical Studies
This thesis presents experimental as well as theoretical studies of three dimensional topological in-sulators (TIs) and transition metal dichalcogenides (TMDs). Raman spectroscopic measurements of these systems have been ... -
Topology and Quantum Phases of Low Dimensional Fermionic Systems
(2018-05-21)In this thesis, we study quantum phase transitions and topological phases in low dimensional fermionic systems. In the first part, we study quantum phase transitions and the nature of currents in one-dimensional systems, ... -
Transport, localization and entanglement in disordered and interacting systems: From real space to Fock space
In this thesis, we explore some of the exciting physics of condensed matter systems manifested because of imperfection or disorder and interactions among the constituent particles. In phenomena like transport, e.g., ... -
Tuning Andreev reflection at Graphene - superconductor junction: from zero field to quantum Hall regime
Andreev reflection (AR) is the underlying phenomena that determines the quasiparticle dynamics at the junction of a superconductor with any non-superconducting material, which in turn determines the transport properties ... -
Tuning of electrical and magnetic properties in nanocomposites of conductive LaNiO3 and transition metal oxides
The discovery of new composites by integrating materials of different physical properties with optimal control is of immense interest to researchers at present. Today, there are several composites being used for several ... -
Tuning of Spin Reorientation and Compensation Transitions in Ferrites
Ferrites have attracted the attention of scientists and engineers in the last few years because of a combination of ferrimagnetic and insulating character. This makes them suitable for high frequency devices in telecommunication ... -
Tuning the electrical and thermoelectric properties of bilayer graphene by band engineering
Graphene and its two dimensional (2D) analogues have sustained the interests of the researchers for quite some time because of the rich physics they offer including many quantum phenomena and non-trivial topological ... -
Turbulent Mixing of Multiple-Passive-Scalars
We have studied the mixing of multiple forced passive scalars in 3D homogeneous and isotropic turbulence. The trends of the structure functions for a single scalar, although not very well resolved, seem to be similar to ... -
Ultra Cold Fermions : Dimensional Crossovers, Synthetic Gauge Fields and Synthetic Dimensions
(2018-02-06)Ultracold atomic systems have provided an ideal platform to study the physics of strongly interacting many body systems in an unprecedentedly controlled and clean environment. And, since fermions are the building blocks ... -
Ultrafast Photoexcited Carrier Dynamics in Low Dimensional Systems Probed by Time Resolved Terahertz Spectroscopy
The key aspect of this thesis is to understand the photoinduced carrier dynamics in low dimensional systems by employing time resolved optical pump-terahertz probe (OPTP) spectroscopy. Ultrafast pulsed laser (Ti: Sapphire ...