Browsing Fysisk institutt by Title

Now showing items 2692-2711 of 3667

  • Rheology of high-capillary number two-phase flow in porous media 
    Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Winkler, Mathias; Hansen, Alex; Flekkøy, Eirik Grude (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Flow of immiscible fluids in porous media at high capillary numbers may be characterized by an effective viscosity. We demonstrate that the effective viscosity is well-described by the Lichtenecker-Rother equation. Depending ...
  • Ringer i vann : Fleksibel læring -- Kvalitetsreformen i praksis 
    Ellingsrud, Geir; Bach-Gansmo, Edvin; Koch, Susanne Kjekshus; Herrestad, Henning; Andreassen, Ingvild Solberg; Mikalsen, Stig; Hjorth-Jensen, Morten; Hveberg, Klara; Langtangen, Hans Petter; Mørken, Knut; Vistnes, Arnt Inge; Haraldsen, Kirsten Borse; Karlsen, Hans Erik; Lindblad, Irene; Ebeling, Signe Oksefjell; Solhaug, Trond; Eifring, Halvor; Wilberg, Anette; Guttulsrud, Jan; Collins, Andrew; Ursin, Giske; Langleite, Torgrim; Nilsson, Kåre; Wlodek, Marcin; Engen, Bård Ketil (Book / Bok / PublishedVersion, 2007)
    I artikkelsamlingen kan du lese om pedagogiske endringer i krysningspunktet mellom teknologi, organisering og læring. Du finner artikler fra en rekke ulike fagmiljøer som beskriver prosjekter av mange ulike slag. Erfaringene ...
  • RippleNet: a Recurrent Neural Network for Sharp Wave Ripple (SPW-R) Detection 
    Hagen, Espen; Chambers, Anna; Pettersen, Klas H.; Einevoll, Gaute; Enger, Rune (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Abstract Hippocampal sharp wave ripples (SPW-R) have been identified as key bio-markers of important brain functions such as memory consolidation and decision making. Understanding their underlying mechanisms in healthy ...
  • RISC-V Processor Core Customization and Verification for m-NLP Applications 
    Pedersen, Robin Alexander Torstensson (Master thesis / Masteroppgave, 2020)
    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 ...
  • Robust Pose Estimation for Offshore Ship-to-Ship Compensation using a LiDARRestricted Access 
    Løvsland, Per-Ove (Master thesis / Masteroppgave, 2018)
  • Robust statistical properties of T1 transitions in a multi-phase field model of cell monolayers 
    Angheluta-Bauer, Luiza; Voigt, Axel (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Large-scale tissue deformation which is fundamental to tissue development hinges on local cellular rearrangements, such as T1 transitions. In the realm of the multi-phase field model, we analyse the statistical ...
  • Robustness of MR Elastography in the Healthy Brain: Repeatability, Reliability, and Effect of Different Reconstruction Methods 
    Svensson, Siri Fløgstad; De Arcos, José; Darwish, Omar Isam; Fraser-Green, Jorunn; Storås, Tryggve; Holm, Sverre; Vik-Mo, Einar O.; Sinkus, Ralph; Emblem, Kyrre E (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background Changes in brain stiffness can be an important biomarker for neurological disease. Magnetic resonance elastography (MRE) quantifies tissue stiffness, but the results vary between acquisition and reconstruction ...
  • Role of defects in ultra-high gain in fast planar tin gallium oxide UV-C photodetector by MBE 
    Mukhopadhyay, Partha; Hatipoglu, Isa; Frodason, Ymir Kalmann; Varley, Joel Basile; Williams, Martin S.; Hunter, Daniel A.; Gunasekar, Naresh K.; Edwards, Paul R.; Martin, Robert W.; Wu, Feng; Mauze, Akhil; Speck, James S.; Schoenfeld, Winston V. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    We report ultra-high responsivity of epitaxial [Formula: see text] (TGO) Schottky UV-C photodetectors and experimentally identified the source of gain as deep-level defects, supported by first principles calculations. ...
  • The role of grain boundary scattering in reducing the thermal conductivity of polycrystalline XNiSn (X=Hf, Zr, Ti) half-Heusler alloys 
    Schrade, Matthias; Berland, Kristian; Eliassen, Simen Nut Hansen; Guzik, Matylda Natalia; Echevarria-Bonet, Cristina; Sørby, Magnus Helgerud; Jenus, Petra; Hauback, Bjørn; Tofan, Raluca; Gunnæs, Anette Eleonora; Persson, Clas; Løvvik, Ole Martin; Finstad, Terje (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Thermoelectric application of half-Heusler compounds suffers from their fairly high thermal conductivities. Insight into how effective various scattering mechanisms are in reducing the thermal conductivity of fabricated ...
  • The role of interleukin-13 in the removal of hyper-radiosensitivity by priming irradiation 
    Edin, Nina Frederike J (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    It has previously been demonstrated that the presence of fetal bovine serum is necessary for TGF-β3 (transforming growth factor beta 3)-dependent elimination of low-dose hyper-radiosensitivity (HRS) in cells by 1 h of ...
  • Role of intrinsic and extrinsic defects in H implanted hydrothermally grown ZnO 
    Schifano, Ramon; Jakiela, R; Galeckas, Augustinas; Kopalko, K; Herklotz, Frank; Johansen, Klaus Magnus H; Vines, Lasse (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The impact of hydrogen in ZnO is revealed by combining reaction dynamics calculations with temperature dependent Hall (TDH), photoluminescence, and secondary ion mass spectrometry measurements performed on H, 2H, and He ...
  • Role of Nitrogen in Defect Evolution in Zinc Oxide: STEM−EELS Nanoscale Investigations 
    Bazioti, Kalliopi; Azarov, Alexander; Johansen, Klaus Magnus H; Svensson, Bengt Gunnar; Vines, Lasse; Kuznetsov, Andrej; Prytz, Øystein (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Direct evidence of the formation of nitrogen molecules (N2) after ion implantion of ZnO has been revealed by an atomically resolved scanning transmission electron microscopy (STEM)–electron energy-loss spectroscopy (EELS) ...
  • Role of Pore-Size Distribution on Effective Rheology of Two-Phase Flow in Porous Media 
    Roy, Subhadeep; Sinha, Santanu; Hansen, Alex (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Immiscible two-phase flow of Newtonian fluids in porous media exhibits a power law relationship between flow rate and pressure drop when the pressure drop is such that the viscous forces compete with the capillary forces. ...
  • Role of seepage forces on hydraulic fracturing and failure patterns 
    Rozhko, Alexander (Doctoral thesis / Doktoravhandling, 2007)
    The mechanical role of seepage forces on hydraulic fracturing and failure patterns was studied both by the analytical methods of the continuum mechanics and by numerical simulations. Seepage forces are frictional forces ...
  • Role of SnO2 in the Bifunctional Mechanism of CO Oxidation at Pt-SnO2 Electrocatalysts 
    Huang, Haoliang; T.C. Hayes, Edward; Gianolio, Diego; Cibin, Giannantonio; Hage, Fredrik Sydow; Ramasse, Quentin; Russell, Andrea E. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    Pt-Sn bimetallic catalysts, especially Pt-Sn alloys, are considered highly CO-tolerant and are thus candidates for reformate derived hydrogen oxidation and for direct oxidation of fuel cell molecules. However, it remains ...
  • Rotational Properties of Two-Component Bose Gases 
    Meyer, Marius Ladegård (Master thesis / Masteroppgave, 2013)
    We study the rotational properties of a two-component Bose gas trapped in a rotating harmonic potential, effectively in two dimensions. We first consider a completely homogeneous interaction between particles, and assume ...
  • Rotational properties of two-component Bose gases in the lowest Landau level 
    Meyer, Marius Ladegård; Sreejith, Ganesh Jaya; Viefers, Susanne F (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    We study the rotational (yrast) spectra of dilute two-component atomic Bose gases in the low angular momentum regime, assuming equal interspecies and intraspecies interaction. Our analysis employs the composite fermion ...
  • RPC-LAP Electric Field Signatures at the Diamagnetic Cavity of Comet 67P/Churyumov-Gerasimenko 
    Madsen, Birgitte (Master thesis / Masteroppgave, 2017)
  • Rubric-based holistic review represents a change from traditional graduate admissions approaches in physics 
    Young, Nicholas T.; Verboncoeur, N.; Lam, Dao Chi; Caballero, Marcos (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Rubric-based admissions are claimed to help make the graduate admissions process more equitable, possibly helping to address the historical and ongoing inequities in the U.S. physics graduate school admissions process that ...
  • Rubric-based holistic review: A promising route to equitable graduate admissions in physics 
    Young, Nicholas T.; Tollefson, K.; Zegers, Remco G. T.; Caballero, Marcos (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    As systematic inequities in higher education and society have been brought to the forefront, graduate programs are interested in increasing the diversity of their applicants and enrollees. Yet, structures in place to ...