Browsing Fysisk institutt by Title

Now showing items 3559-3578 of 3682

  • Ultraviolet vision and avoidance of power lines in birds and mammals 
    Tyler, N. J. C.; Stokkan, Karl-Arne; Hogg, Chris; Nellemann, Christian; Vistnes, Arnt Inge; Jeffery, Glen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
  • Uncertainpy: A Python toolbox for uncertainty quantification and sensitivity analysis in computational neuroscience 
    Tennøe, Simen; Halnes, Geir; Einevoll, Gaute (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Computational models in neuroscience typically contain many parameters that are poorly constrained by experimental data. Uncertainty quantification and sensitivity analysis provide rigorous procedures to quantify how the ...
  • Uncertainty quantification for nuclear level densities and y-ray strength functions from the Oslo method and beyond 
    Zeiser, Fabio (Doctoral thesis / Doktoravhandling, 2021)
    Despite the quantum mechanical nature of the atomic nucleus, many important properties of nuclei and nuclear reactions can be well described by average statistical properties. Our knowledge of these properties does not ...
  • Unconventional samples and imaging techniques in condensed matter physicsRestricted Access 
    Mollatt, Hans Jakob Sivertsen (Master thesis / Masteroppgave, 2017)
  • Uncovering circuit mechanisms of current sinks and sources with biophysical simulations of primary visual cortex 
    Rimehaug, Atle Eskeland; Stasik, Alexander Johannes; Hagen, Espen; Billeh, Yazan N.; Siegle, Josh H.; Dai, Kael; Olsen, Shawn R.; Koch, Christof; Einevoll, Gaute; Arkhipov, Anton (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Local field potential (LFP) recordings reflect the dynamics of the current source density (CSD) in brain tissue. The synaptic, cellular, and circuit contributions to current sinks and sources are ill-understood. We ...
  • Underlying event properties in pp collisions at √s = 13 TeV 
    Acharya, Shreyasi; Adamová, Dagmar; Adler, Alexander; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Eikeland, Viljar Nilsen; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Grøttvik, Ola Slettevoll; Lofnes, Ingrid Mckibben; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Yuan, Shiming; Zhou, Zhuo; Arsene, Ionut Cristian; Dordic, Olja; Lardeux, Antoine Xavier; Mahmood, Sohail Musa; Malik, Qasim Waheed; Neagu, Alexandra; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
  • Underlying-event properties in pp and p–Pb collisions at sNN−−−√ = 5.02 TeV 
    Acharya, S.; Adamová, D.; Adler, A.; Aglieri Rinella, G.; Agnello, M.; Agrawal, N.; Ahammed, Z.; Ahmad, S.; Ahn, S. U.; Ahuja, I.; Akindinov, A.; Al-Turany, M.; Aleksandrov, D.; Alessandro, B.; Alfanda, H. M.; Alfaro Molina, R.; Ali, B.; Alme, Johan; Arsene, Ionut Cristian; Bodova, Tea; Djuvsland, Øystein; Eikeland, Viljar Nilsen; Ersdal, Magnus Rentsch; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Langøy, Rune; Lien, Jørgen André; Lofnes, Ingrid Mckibben; Malik, Qasim Waheed; Neagu, Alexandra; Nesbø, Simon Voigt; Nystrand, Joakim Ingemar; Rehman, Attiq Ur; Reme-Ness, Haakon André; Richter, Matthias; Røed, Ketil; Röhrich, Dieter; Sætre, Jon-Are; Skaali, Toralf Bernhard; Solheim, Emilie Haugland; Storehaug, Ida Torkjellsdatter; Storetvedt, Maksim Melnik; Tambave, Ganesh Jagannath; Tveter, Trine Spedstad; Ullaland, Kjetil; Wagner, Boris; Wikne, Jon Christopher; Yang, Shiming; Yuan, Shiming; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
  • Understanding Curved Spacetime: The Role of the Rubber Sheet Analogy in Learning General Relativity 
    Kersting, Magdalena; Steier, Rolf (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
    According to general relativity (GR), we live in a four-dimensional curved universe. Since the human mind cannot visualize those four dimensions, a popular analogy compares the universe to a two-dimensional rubber sheet ...
  • Understanding the surface wave characteristics using 2D particle-in-cell simulation and deep neural network 
    Mishra, Rinku; Adhikari, Sayan; Mukherjee, Rupak; Saikia, B.J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    The characteristics of the surface waves along the interface between a plasma and a dielectric material have been investigated using kinetic particle-in-cell simulations. A microwave source of GHz frequency has been used ...
  • Undersøkingar av celler sin respons på intern bestråling med lågenergetiske elektron ved ultralåge doseratar 
    Bjørhovde, Ingunn (Master thesis / Hovedoppgave, 2006)
    Samandrag Humane celler sin respons på stråling endrar seg med varierande doseratar. I denne oppgåva har to humane cellelinjer vorte bestrålte med ultralåge doseratar for å kartleggje effekten av strålinga ved bestrålingstider ...
  • Underwater Acoustic Sensor Network with Energy Harvesting Nodes 
    Huseby, Morten (Master thesis / Masteroppgave, 2011)
    This thesis explores the possibility of a self sustained and service free Underwater Acoustic Sensor Network (UASN). The network nodes are installed along a subsea three phase High Voltage Alternating Current (HVAC) power ...
  • Unique particle beams and energies at CERN applied to radiation testing of electronics 
    Wyrwoll, Vanessa (Doctoral thesis / Doktoravhandling, 2022)
    The radiation environment in space poses unique challenges to the successful operation of electronic components exposed to it. Hence, it is important to test the devices sufficiently before integrating them in space missions. ...
  • Universal radiation tolerant semiconductor 
    Azarov, Alexander; García Fernández, Javier; Zhao, Junlei; Djurabekova, Flyura; He, Huan; He, Ru; Prytz, Øystein; Vines, Lasse; Bektas, Umutcan; Chekhonin, Paul; Klingner, Nico; Hlawacek, Gregor; Kuznetsov, Andrej (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Radiation tolerance is determined as the ability of crystalline materials to withstand the accumulation of the radiation induced disorder. Nevertheless, for sufficiently high fluences, in all by far known ...
  • Universality in the AC Conductance of Keratinized Tissues 
    Abie, Sisay Mebre (Master thesis / Masteroppgave, 2014)
    The overall aim of the studies in this thesis is to investigate the universality nature of the conductivity of biological materials and the conduction mechanism using impedance spectroscopy measurement. Universality is a ...
  • Universality of modular symmetries in two-dimensional magneto transport 
    Olsen, Kristian Stølevik; Limseth, Henrik Sverre; Lutken, Carsten Andrew (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    We analyze experimental quantum Hall data from a wide range of different materials, including semiconducting heterojunctions, thin films, surface layers, graphene, mercury telluride, bismuth antimonide, and black phosphorus. ...
  • Unraveling electronic band structure of narrow-bandgap p-n nanojunctions in heterostructured nanowires 
    Zamani, Reza R.; Hage, Fredrik S.; Eljarrat, Alberto; Namazi, Luna; Ramasse, Quentin M.; Dick, Kimberly A. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    Direct comparison of bandgaps of GaSb zinc blende and wurtzite polytypes (0.75 and 0.84 eV, respectively) by means of valence electron energy-loss spectroscopy (VEELS) in a transmission electron microscope (TEM).
  • Unruh effect in heavy ion collisions 
    Teslyk, Maksym; Zabrodin, Evgeny; Bravina, Larissa (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    We apply the idea of the Unruh effect to the description of particle production in relativistic heavy ion collisions. Because the full information about all particles is needed, we employ the spectra of hadrons generated ...
  • Unruh Entropy of a Schwarzschild Black Hole 
    Teslyk, Maksym; Teslyk, Olena; Bravina, Larissa; Zabrodin, Evgeny (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    The entropy produced by Unruh radiation is estimated and compared to the entropy of a Schwarzschild black hole. We simulate a spherical system of mass M by a set of Unruh horizons and estimate the total entropy of the ...
  • The Unstructured Particle-In-Cell Method with Applications for Objects in Ionospheric Plasmas 
    Marholm, Sigvald (Doctoral thesis / Doktoravhandling, 2020)
    Spaceborn instruments such as the Langmuir probe are essential to understand our own ionosphere. In this dissertation we explore the behaviour of such instruments through computer simulations, and find that some of the ...
  • Unveiling the strong interaction among hadrons at the LHC 
    Acharya, Shreyasi; Adamová, Dagmar; Adler, Alexander; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Eikeland, Viljar Nilsen; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Grøttvik, Ola Slettevoll; Lofnes, Ingrid Mckibben; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Yuan, Shiming; Zhou, Zhuo; Arsene, Ionut Cristian; Dordic, Olja; Lardeux, Antoine Xavier; Mahmood, Sohail Musa; Malik, Qasim Waheed; Neagu, Alexandra; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Akbar, Zaenai; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Abstract One of the key challenges for nuclear physics today is to understand from first principles the effective interaction between hadrons with different quark content. First successes have been achieved using techniques ...