The Standard Model (SM) accounts for about 5 % of the known univers, and can not explain gravity, the hierarchy problem or the matter-antimatter asymmetry in the univers. Supersymmetry is a new symmetry which aim to bridge ...

Accurate descriptions of many-particle quantum systems subject to laser interactions can be found using real-time ab initio methods. Of these the arguably most popular and exact is the multi-configuration time-dependent ...

I denne oppgaven er forekomsten av fasescintillasjoner på GNSS-signaler over deler av Dronning Maud Land i Antarktis kartlagt, ved bruk av scintillasjonsmottakere på Troll stasjonen (geografiske koordinater: 72.0$^\circ$S, ...

p-n homo- and heterojunctions are the cornerstones and defining technology of our society. Even though decades of knowledge have brought several improvements upon the transistors, LED diodes and other devices that build ...

Generative adversarial networks (GAN) have received much attention lately for its use with images and has been shown to be able to create extremely realistic images of different kinds of objects. Even though its use in ...

This thesis is focused on three objectives. The first objective was to develop a method that allows automatic assessment of stem cell development conditions with the use of impedance spectroscopy and machine learning, the ...

Sammendrag Livmorhalskreft er en alvorlig kreftform og rammer i større grad enn før unge kvinner. Strålebehandling av livmorhalskreft er krevende siden livmoren er svært mobil og man opplever store dag-til-dag variasjoner. ...

The performance of established and experimental BI-related parameters is evaluated for fresh vs. frozen-thawed detection.

The newly developed Nematic Bond Theory enables an efficient way of studying phases and phase transitions in classical frustrated magnets with Heisenberg interactions. We extend here the Nematic Bond Theory to hold for ...

Anti-deuterons are a possible candidate for indirect detection of dark matter. In this thesis formation models of anti-deuterons are studied. The standard coalescence model and an empirically based cross-section model both ...

Naturfaglig kompetanse er viktig for både enkeltindivider og for det norske samfunnet, og engasjement og motivasjon er viktig for å styrke elevers naturfagskompetanse. I et stadig mer digitalisert samfunn er det derfor ...

Dette master‒prosjektet ble initiert for å etablere metodikk og erfaring med studier av sølvbaserte nanopartikler for antibakterielle formål rettet mot drikkevann. I første del av oppgaven ble Ag1‒x‒Ptx (x ≤ 0,15) nanopartikler ...

Overordnet mål i dette M. Sc prosjektet har vært å etablere nødvendig metodikk for å studere Ag+-oppløsningsprosessen av sølvbaserte nanopartikler i vann for antibakterielle formål. Mono- og bimetalliske nanopartikler med ...

We implement two different methods for solving many-body quantum mechanical systems from scratch, a variational Monte Carlo (VMC) method and a restricted Boltzmann Machine (RBM). We explore a confined Bose-Einstein condensate ...

Med innføringen av programmering i nye læreplaner for norsk skole, kommer det mange spørsmål om hvordan programmeringsaktiviteter skal planlegges og gjennomføres i fysikkfaget. Det er ennå ikke umiddelbart klart hva som ...

En sammenligning mellom Oslo metoden og en videreuvikling av Wiedeking et al. sin ratio metode utføres for å teste validiteten av full spin populering ved nøytron bindingsenergien i (p,p) 144Nd reakjonen. I tillegg utføres ...

Denne avhandlingen beskriver utviklingen og testingen til et heisesystem beregnet for automatisk overvåking av innsjøer. Motivasjonen bak oppgaven er å effektivisere overvåkingen av innsjøer, slik at dyrt og krevende ...

In this thesis the effect of Autler-Townes splitting is revisited and the dynamics of a 2- and 3-level quantum systems, exhibiting this effect, is studied. This effect is a special case of the Stark effect, where the ...

The present thesis makes a specific focus on the experimental study of the pygmy dipole resonance (PDR) in $^{124}$Sn and its evolution with increasing number of neutrons for the $^{116-119,121,122}$Sn and $^{124}$Sn ...

This thesis designs a Gaussian pulse generator by the method of up-conversion with for use as a front end transmitter unit of an UWB-IR. The baseband pulse is generated using the delay elements (CTBV technique) but having ...

Lungekreft er en den ledende årsak til at folk dør av kreft, dens behandling må ofte bli avbrutt på grunn av pneumoni. Pneumoni skaper en kronisk betennelse i lungene som gjør det umulig å behandle kreftsvulsten. Dette er ...

Acoustic imaging allows the detection and localisation of sound sources in industrial applications. Commonly, acoustic imaging involves combining an array of microphones with a digital camera module. While the camera module ...

This work experimented with using a custom instruction set extension for computing electron density from sensor data received from a multi-needle langmuir probe (m-NLP). Custom instructions were designed and implemented ...

This thesis aims to describe the process from theory to implementation. It also describes the results obtained from the process. The main goal of the project is to analyze the possibility of using reflectrometric pulse ...

This thesis work presents the development of the new imaging technique gamma- MRI (gamma-detected Magnetic Resonance Imaging). The fundamentals of gamma-MRI is the positioning of a gamma-emitting, Hyperpolarized (HP) nuclei ...

This thesis deals with the prototype development of a floating potential probe (FPP) instrument to measure spacecraft charging. The measurement concept is based on the works at the Naval Research Laboratory in Washington ...

We present a study of performance and energy resolution of a novel Super Fine-Grained Detector (SFGD) prototype. Data were collected during the second test run at the CERN T9 beam line and include pion, proton, muon and ...

Rutheniumoksider har stort potensial innen utvikling av fremtidens teknologi, spesielt SrRuO3. SrRuO3 er et sjeldent tilfelle av et ferromagnetisk innskuddsmetalloksid, og kan føre til store teknologiske fremskritt innen ...

In this thesis we have searched for new physics phenomena predicted by Supersymmetry and Dark Matter simplified models. Both traditional cut and count analysis and Machine Learning(ML) based methods, such as Boosted Decision ...

The Oslo Bioimpedance and Medical Technology Group at the Department of Physics (UiO) and the Department of Clinical and Biomedical Engineering (OUS) are involved in an EU-project named Training4CRM. The purpose of the ...

Bioimpedance spectroscopy is widely used in clinical and biotechnological applications for electrical characterization of biomaterials in a non-invasive fashion. States of the living organs dynamically change during impedance ...

Denne masteroppgaven handler om naturvitenskapens rolle i samfunnet, og det tverrfaglige samspillet som foregår i politikkutforming basert på naturvitenskap. I oppgaven undersøkes verdier tilknyttet naturvitenskap som er ...

Artificial neural networks are fitted to molecular dynamics trajectories using the Behler-Parrinello method of atom-centered symmetry functions in order to obtain analytical interatomic potentials. Molecular dynamics ...

This thesis deals with the development of an instrument for performing impedance measurements on cells. Small, portable, wearable and even implanted devices are becoming increasingly common in our daily lives and future ...

Self-affine surfaces are found in many physical systems, making it important to study flow over such surfaces. This project develops a code to simulate, through the coupled Lattice Boltzmann Method, gravity-stabilized flow, ...

WLAN (Wireless local area network ), also known as Wi-Fi has gained lots of attention during the past two decades due to its promising capabilities, ease of installation and low-cost of access points (APs), which offers ...

We advance the Coupled Cluster method’s in the time-dependent realm, by imple- menting a robust solver based on the orbital-adaptive time-dependent Coupled Cluster (OATDCC)[1] method. This involves implementing both a ...

We present a computationally effective toy model of the visual system of a biological brain, that can easily be extended to add more realism. The model takes images as input – representing visual stimuli from the eye – and ...

Diffusion-weighted imaging (DWI or DW-MRI) is a widely applied and clinically important MRI technique probing the diffusion displacement of water molecules in biological tissue on a micrometer length scale. DWI is however ...