Browsing Physics (PHY) by Title
Now showing items 21-40 of 715
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Carrier Mobility And High Field Transport in Modulation Doped p-Type Ge/Si1-xGex And n-Type Si/Si1-xGex Heterostructures
(Indian Institute of Science, 2007-06-26)Modulation doped heterostructures have revolutionized the operation of field effect devices by increasing the speed of operation. One of the factors that affects the speed of operation of these devices is the mobility of ... -
A cavity electromechanical device for superconducting vortex charge sensing
The penetration of magnetic fields in the form of quantized vortices in type-II superconductors is well known. However, it is not well known that such vortices can be electrically charged. The effect is quite subtle and ... -
Chaos, entanglement, and non-equilibrium dynamics in Hermitian and non-Hermitian quantum many-body systems
Quantum chaos and entanglement have appeared as two key intertwined concepts to characterize fundamental quantum correlations of quantum many-body states and to understand the emergence of thermal and non-thermal steady ... -
Characterization, properties and dynamics of squeezed states: single mode and multimode systems
Squeezed states of the quantized electromagnetic field, as well as the squeezing phenomenon in the more general quantum mechanical context, have been topics of enormous interest recently. In addition to a very large number ... -
Charge Transport And Magnetic Properties Of Iron-embedded Multiwall Carbon Nanotubes
(2014-06-12)Studies on charge transport properties in carbon nanotubes (CNTs) have been a subject of great interest for a long time not only as an important topic in fundamental science, but also as a basic requirement for the application ... -
Charge Transport and Photo-Physical Studies in Conjugated Polymers, Hybrid Nanocomposites and Devices
(2017-12-12)The main motivation of this thesis is derived from the fact that physics of disordered systems like conjugated polymer has yet not achieved as concrete understanding as ordered and crystalline systems such as inorganic ... -
Charge Transport In Conducting Polymers, Polymer-Carbon Nanotube Composites And Devices
(2014-02-26)The Thesis reports charge transport studies on conducting polymers, polymer carbon nanotube composites and organic semiconductor devices. Conducting and semiconducting polymers consisting of π-conjugated chains have ... -
Charge transport in functionalized carbon nanotube and composite with polyaniline at low temperature
Carbon nanotube (CNT) is a very well-known material with very high thermal conductivity, high Young modulus and high electrical conductivity. The sp2 bonded C=C π-electrons delocalize in the whole lattice give rise to high ... -
Charge Transport in Molecular Systems
Understanding charge transport in molecular systems is of fundamental interest in rapidly growing field of molecular electronics as well as to understand biological signal transfer processes which are accompanied by the ... -
Charge Transport in PEDOT:PSS and Blends
Charge transport properties and metal-insulator transition in conducting polymers de pend on doping, disorder and the complex nanomorphology. Conductivity of poly(3,4- ethylenedioxythiophene):poly(styrene-sulfonate) ... -
Charge Transport in Semiconducting Polymer Devices
(2018-02-23)Understanding the fundamentals of Organic semiconductors is crucial aspect towards the technological applications. Conjugated polymers have shown many interesting physical properties. Especially the electronic and optical ... -
Charge Transport In Transparent Single-Wall Carbon Nanotube Networks And Devices
(2010-06-02)Carbon nanotubes show a wide range of transport behavior that varies from ballistic to hopping regime, depending on the nature of disorder in the system. Minute variations in disorder can lead from weak to strong localization, ... -
Charged solution excitations and the vaccum state of.. field theories
This thesis describes some theoretical investigations on ?? field theories (i.e., theories governed by Lagrangians which are sixth-degree polynomials in ?) where ? is either a real or a complex scalar field. We work in ... -
Chemical Composition Of Selected Metal Poor Stars
(2011-08-04) -
Chlorine and bromine NQR investigations of certain cyclophosphazenes
This thesis describes the work carried out by the author on the Nuclear Quadrupole Resonance in certain chloro- and bromo-cyclophosphazene derivatives. The work can be divided into two parts: Development of NQR ... -
Circumstellar Interaction Of Young Supernovae : With inputs From Radio And X-ray Wavebands
(2011-09-30)This thesis deals with the radiative emission arising out of the interaction of several core collapse supernovae (SNe) with their dense circumstellar medium (CSM) and uses the radiative properties as diagnostics of the ... -
Classical reltivistic particles with internal structure: a group of theoretic and differential geometric analysis
This thesis presents a systematic study of internal structures possible for a classical relativistic indecomposable particle without spatial extension. Group theoretic and differential geometric methods are used and the ... -
Collective Behaviour of Confined Equilibrium And Non Equilibrium Soft Matter Systems
(2017-11-09)Due to their diversity, soft matter systems provide a convenient platform to study a variety of physical phenomena like phase transitions and collective motion. Encompassing a wide range of equilibrium and non-equilibrium ... -
Collective Magnetic Phases with Pentavalent Iridates
Magnetism and magnetism-driven phenomena have always remained a central theme of modern condensed matter physics. Conventional magnetic transition, such as para magnetic to ferromagnetic phase, involves symmetry breaking ... -
Collective Phototaxis of Chlamydomonas reinhardtii Cells
Microorganisms are omnipresent in our life and the environment, such as microbes in the gut, spermatozoa in reproductive organs, algae and protozoa in the aquatic ecosystem, and bacterial colonization and infection. ...