Browsing Physics (PHY) by Title
Now showing items 602-621 of 670
-
Taming Electrons in 2D Materials: Influence of Substrates, Defects and Moire Superlattices
Two-dimensional materials have been extensively studied in the last decade owing to the rich physics at reduced dimensions and their applications in electronics and optoelectronics. Controlled modifi cation of electronic ... -
Tenfold Classification for Interacting Fermions and Relation with Homogeneous Spaces
Topological classifi cation of topological insulator superconductor, various quantum Hall states are probably the most discussed topic in theoretical quantum condensed matter community as well as many mathematicians ... -
Theoretical and experimental studies on open circuit voltage decay lifetime and series resistance in solar cells and other P-N junction devices
Open-Circuit Voltage Decay (OCVD) is a simple and widely used technique for determining the minority carrier lifetime (??) in p–n junction devices. In this work, theoretical expressions for both Forward Current-Induced ... -
Theoretical Investigation Of Relativistic Effects In Heavy Atoms And Polar Molecules
(2009-03-20)Extensive theoretical studies on the ground and excited state properties of systems containing heavy atoms have shown that accurate prediction of transition energies and related properties requires the incorporation of ... -
Theoretical Investigations Of Core-Level Spectroscopies In Strongly Correlated Systems
(2009-03-11)Ever since the discovery of exotic phenomena like high temperature (Tc) superconductivity in the cuprates and colossal magnetoresistance in the manganites, strongly correlated electron systems have become the center of ... -
Theoretical studies on impurity models of mixed valent systems
In the first part of this thesis, consisting of the first 3 chapters, calculations of thermodynamic properties like susceptibility, magnetisation and specific heat, and of the single particle spectral density are discussed, ... -
Theoretical studies on some classical and quantum transport problems in random media
The problem of transport of charge (electrons, holes and ions) and energy (excitons) in a dynamically disordered medium is assuming increasing significance in recent times, from theoretical and experimental viewpoints. ... -
Theoretical study of quantum ohmic transport and resistance fluctuation in disordered conductors.
Abstract not available -
Theoretical Study Of Some Transport And Spectroscopic Phenomena In Two Materials Showing Large Magnetoresistance
(2009-07-09)In this thesis I present studies of some transport and spectroscopic properties for two di erent materials exhibiting large magnetoresistance. Both of these materials are oxides of transition metals, showing exotic magnetic ... -
A Theoretical Study of Thermoelectric Effect for Cross-plane Transport Across Twisted Bilayer Graphene
The thermoelectric effect and the linear response theory is one of the most studied areas in condensed matter physics. In the last few years, the study of Van Der Waals heterostructure has become one of the most promising ... -
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 ... -
Thermopower probing the effect of interaction and strong correlation in twisted multilayer graphene moir´e
Two-dimensional quantum materials, especially graphene-based van der Waals heterostructures, have been at the forefront of a new era in scientific research and technological breakthroughs. From field-effect transistors to ... -
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 ...