Browsing Institutt for fysikk by Title
Now showing items 2460-2479 of 2713
-
The Relative Influence of Solar Radiative and Solar Geomagnetic Variation on the Dynamics of the Polar Upper Mesosphere
(Master thesis, 2012)Resent research indicates that there might be a connection between perturbation of the Earth's geomagnetic field caused by solar wind, and the atmospheric circulation. In this project the mesospheric meridional and zonal ... -
The role of oligosaccharide decorations in mucin interaction capacities : assessment by high resolution force probes
(Doctoral thesis at NTNU;2015:32, Doctoral thesis, 2015)Mucins are large proteins glycosylated with oligosaccharide groups. They are secreted from epithelial cells or embedded in the apical side of the epithelial cell and promote cell survival in different ways. Mucins also ... -
The Role of Planetary Waves in Gravity Wave Activity in the Middle Atmosphere During Northern Hemisphere Winter - A High-Resolution General Circulation Model Approach
(Master thesis, 2023)Interaksjonen mellom storskala planetære bølger (PWs) og de langt mindre atmosfæriske tyngebølgene (GWs) i stratosfæren og mesosfæren i nordlige breddegrader, analyseres ved bruk av den høyoppløselige WACCM-X-modellen. ... -
The Role of Temperature and Lipid Charge on Intake/Uptake of Cationic Gold Nanoparticles into Lipid Bilayers
(Journal article; Peer reviewed, 2019)Understanding the molecular mechanisms governing nanoparticle–membrane interactions is of prime importance for drug delivery and biomedical applications. Neutron reflectometry (NR) experiments are combined with atomistic ... -
The role of the QBO in the inter-hemispheric coupling of summer mesospheric temperatures
(Journal article; Peer reviewed, 2010)Inter-hemispheric coupling between the polar summer mesosphere and planetary-wave activity in the extra-tropical winter stratosphere has recently been inferred using Polar Mesospheric Cloud (PMC) properties as a proxy for ... -
The role of the QBO in the inter-hemispheric coupling of summer mesospheric temperatures
(Journal article; Peer reviewed, 2011)Inter-hemispheric coupling between the polar summer mesosphere and planetary-wave activity in the extratropical winter stratosphere has recently been inferred using Polar Mesospheric Cloud (PMC) properties as a proxy for ... -
The Roulette formalism - a weak lensing approach to strong lensing
(Master thesis, 2024)I denne oppgaven skal vi utforske Roulette-formalismens unikhet og potensial, og videreføre dens implementering i gravitasjonslinse-simulatoren kalt CosmoSim. Roulette- formalismen er et relativt nytt rammeverk for ... -
The Scattering of Electromagnetic Waves from Two-Dimensional Periodic Surfaces with Deposited Hemi-Spheroidal and Hemi-Ellipsoidal Plasmonic Particles
(Master thesis, 2020)Denne avhandlingen presenterer arbeidet gjort gjennom undersøkelser og karakterisering av den optiske responsen til elektromagnetiske bølger som vekselvirker med periodiske plasmoniske overflater. Lysspredningsproblemet ... -
The secondary ozone layer and energetic particle precipitation
(Master thesis, 2022)Det sekundære ozonlaget er det globale toppunktet av ozon i øvre mesosfære-nedre termosfære (UMLT) rundt 90-100 km. Ved denne høyden fotodissosieres ozon lett på dagtid, noe som gjør at blandingsforholdet av ozon er større ... -
The SPARC water vapour assessment II: Comparison of annual, semi-annual and quasi-biennial variations in stratospheric and lower mesospheric water vapour observed from satellites
(Journal article; Peer reviewed, 2017)In the framework of the second SPARC (Stratosphere-troposphere Processes And their Role in Climate) water vapour assessment (WAVAS-II), the amplitudes and phases of the annual, semi-annual and quasi-biennial variation in ... -
The spoiler recovery CEST: A new approach for shortening the acquisition time SR-CEST for characterization of CEST agents in solution using Bloch-McConnell fitting
(Master thesis, 2019)Kjernemagnetisk resonans (NMR) er en utbredt metode for å undersøke materie, hvor de magnetiske prosessene som skjer selv på atomnivå er godt beskrevet. Kjemisk utveksling av metning (CEST) er en forholdsvis ny og fremvoksende ... -
The Structure of Quark Stars
(Master thesis, 2013)In this thesis we will study the structure of quark stars using different models to mimic the interactions of quantum chromodynamics (QCD).The models we encounter is the MIT bag model and the two-and three-flavour linear ... -
The Vacuum Polarisation Contribution to the Lamb Shift Using Non-Relativistic Quantum Electrodynamics
(Master thesis, 2016)In this thesis we calculate the vacuum polarisation contribution to the well-known Lamb shift. The Lamb shift is a correction of order $\alpha^5$ to the non-relativistic energy spectrum of the hydrogen atom. We discuss the ... -
The vertical structure and source regions of large and small scale waves in the middle atmosphere
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:272, Doctoral thesis, 2013)Atmospheric waves are periodic oscillations of the atmospheric variables such as density and temperature, which can have spatial sizes from a few kilometer to thousands of kilometers, and temporal variations from days to ... -
Theoretical and computational studies of the scattering of light from randomly rough dielectric surfaces
(Doctoral theses at NTNU;2019:45, Doctoral thesis, 2019)We are surrounded by light being scattered from surfaces all around us, both natural and man-made. Improving our understanding of exactly how light (and more generally, electromagnetic waves) interacts with and scatters ... -
Theoretical Studies of Condensed Matter Systems with Multiple Broken Symmetries
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:254, Doctoral thesis, 2008)This thesis consist of six research articles in the field of condensed matter physics. Three of the articles concern two superfluid components interacting through an Andreev–Bashkin term. In article I, we present a preemptive ... -
Theoretical studies of twocomponent superfluids and superconductors
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:338, Doctoral thesis, 2012)This thesis presents four research papers in the field of condensed-matter theory. In all four papers, large-scale Monte Carlo simulations are used to investigate phases and phase transitions in two-component models of ... -
Theoretical Studies of Unconventional Order in Quantum Many-Particle Systems
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:23, Doctoral thesis, 2008) -
Theoretical Studies of Unconventional Superconductors
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:95, Doctoral thesis, 2008)This thesis presents four research papers. In the first three papers we have derived analytical results for the transport properties in unconventional superconductors and ferromagnetic systems with multiple broken symmetries. ...