Browsing Institutt for fysikk by Title

Now showing items 498-517 of 2655

    • Corrigendum to “Circulating exosomal miR-141-3p and miR-375 in metastatic progression of rectal cancer” [Transl Oncol 12 (8) (2019) 1038-1044] 

      Meltzer, Sebastian; Bjørnetrø, Tonje; Lyckander, Lars Gustav; Flatmark, Kjersti; Dueland, Svein; Samiappan, Rampradeep; Johansen, Christin; Kalanxhi, Erta; Ree, Anne Hansen; Redalen, Kathrine (Peer reviewed; Journal article, 2020)

    • Cosmic Ray Diffusion in the Hamiltonian Guiding Center Approximation 

      Nervik, Odd-Einar Cedervall (Master thesis, 2019)
      Forå konstruere en metode tilå teste nøyaktigheten til den Hamiltonske føringssen- terapproksimasjonen undersøkes diffusjonskoeffisientene av kosmiske stråler propa- gert i et turbulent magnetisk felt. Målet er å reprodusere ...

    • Cosmic ray models 

      Kachelriess, Michael; Semikoz, DV (Journal article, 2019)
      We review progress in high-energy cosmic ray physics focusing on recent experimental results and models developed for their interpretation. Emphasis is put on the propagation of charged cosmic rays, covering the whole range ...

    • Cosmic Rays from Pair-Instability Supernova Remnants 

      Foss, Marie Kristine (Master thesis, 2015)
      Pair-instability supernovae are the most energetic thermonuclear explosions in the Universe, up to 100 times more energetic than type Ia supernovae. Around redshift z > 6 approximately one out of ten supernovae was a ...

    • Cosmic-ray antinuclei as messengers of new physics: Status and outlook for the new decade 

      Von Doetinchem, Doetinchem; Perez, K.; Aramaki, T.; Baker, S.; Barwick, S.; Bird, R.; Boezio, M.; Boggs, S. E.; Cui, M.; Datta, A.; Donato, Fiorenza; Evoli, C.; Fabris, L.; Fabbietti, L.; Bueno, E. Ferronato; Fornengo, N.; Fuke, H.; Gerrity, C.; Coral, D. Gomez; Hailey, C. J.; Hooper, D.; Kachelriess, Michael; Korsmeier, M.; Kozai, M.; Lea, R.; Li, N.; Lowell, A.; Manghisoni, M.; Moskalenko, Igor V.; Munini, R.; Naskret, M.; Nelson, T.; Ng, K.C.Y.; Nozzoli, F.; Oliva, A.; Ong, R. A.; Osteria, G.; Pierog, T.; Poulin, Vivian; Profumo, S.; Pöschl, T.; Quinn, S.; Re, V.; Rogers, F.; Ryan, J.; Saffold, N.; Sakai, K.; Salati, P.; Schael, S.; Serksnyte, L.; Shukla, A.; Stoessl, A.; Tjemsland, Jørgen; Vannuccini, E.; Vecchi, M.; Winkler, M.W.; Wright, D.; Xiao, M.; Xu, W.; Yoshida, T.; Zampa, G.; Zuccon, P. (Peer reviewed; Journal article, 2020)
      The precise measurement of cosmic-ray antinuclei serves as an important means for identifying the nature of dark matter and other new astrophysical phenomena, and could be used with other cosmic-ray species to understand ...

    • Cost Optimality of Energy Systems in Zero Emission Buildings in Early Design Phase 

      Løtveit, Sjur Vullum (Master thesis, 2013)
      The building sector accounts for a significant proportion of industrial countries total energy use, thus a cut in this sector has been regarded necessary to reach future climate goals. An important measure in this context ...

    • Coupling in the middle atmosphere related to the 2013 major sudden stratospheric warming 

      De Wit, Rosmarie Johanna; Hibbins, Robert; Espy, Patrick Joseph; Hennum, Endre Asheim (Journal article; Peer reviewed, 2015)
      The previously reported observation of anomalous eastward gravity wave forcing at mesopause heights around the onset of the January 2013 major sudden stratospheric warming (SSW) over Trondheim, Norway (63° N, 10° E), is ...

    • Covariant Quantum Electrodynamics in Terms of a Possible Ether Flow 

      Brevik, Iver Håkon (Theoretical Physics Seminar in Trondheim;4, Chapter, 1971)
      This paper from 1971 has a special history. At that time the present author was working with the covariant quantization procedure for an electromagnetic field in a dielectric medium. In such a theory, the commutator for ...

    • Cr-doped ZnS for Intermediate Band Solar Cells 

      Nematollahi, Mohammadreza (Doktoravhandlinger ved NTNU, 1503-8181; 2014:274, Doctoral thesis, 2014)
      Intermediate band solar cells (IBSCs) can potentially be highly efficient solar cells. This thesis presents the growth and characterization of highly doped chromium doped zinc sulfide (Cr:ZnS) films for use in IBSCs. The ...

    • Cr/Fe ratio by XPS spectra of magnetoelectropolished AISI 316L SS fitted by Gaussian-Lorentzian shape lines 

      Rokosz, Krzysztof; Hryniewicz, Tadeusz; Raaen, Steinar (Journal article; Peer reviewed, 2014)
      In the paper, the analyses of Fe2p3/2 and chromium Cr2p3/2 XPS spectra with fitting by symmetrical and asymmetrical line shapes, are presented. The calculations are performed on AISI 316L SS biomaterial after magnetoelec ...

    • Cr4+: YAG chirped-pulse oscillator 

      Sorokin, Evgeni; Kalashnikov, Valdimir L; Mandon, Julien; Guelachvili, Guy; Picque, Nathalie; Sorokina, Irina T (Journal article; Peer reviewed, 2008)
      We demonstrate chirped-pulse operation of a Cr :YAG passively mode-locked laser. Different operation regimes of the laser are extensively investigated in the vicinity of zero dispersion both experimentally and numerically. ...

    • Cr:ZnSe Bulk and Cr:ZnSe Thin Disk cw Lasers 

      Renz, Guenther; Speiser, Jochen; Giesen, Adolf; Sorokina, Irina T; Sorokin, Evgeni (Chapter, 2012)
      A Thulium-fiber-laser pumped Cr:ZnSe bulk cw laser with an output power of 6.5W as well as a Thulium-fiber-laser or diode-laser-stack pumped Cr:ZnSe thin disk cw laser with almost 2W of output powers will be presented.

    • Cr:ZnSe thin disk cw laser 

      Renz, Guenther; Speiser, Jochen; Giesen, Adolf; Sorokina, Irina T; Sorokin, Evgeni (Journal article; Peer reviewed, 2013)
      A Thulium fiber laser pumped or InP diode laser stack pumped Cr:ZnSe thin disk cw multimode laser at 2.4 µm with an output power of 5 and 4 W, respectively, and with optical-tooptical efficiencies of 10% will be presented. ...

    • Crack localization and the interplay between stress enhancement and thermal noise 

      Sinha, Santanu; Roy, Subhadeep; Hansen, Alex (Peer reviewed; Journal article, 2021)
      We study the competition between thermal fluctuations and stress enhancement in the failure process of a disordered system by using a local load sharing fiber bundle model. The thermal noise is introduced by defining a ...

    • Creation of entangled atomic states by an analogue of the Dynamical Casimir effect 

      Lange, Karsten; Peise, Jan; Lucke, Bernd; Gruber, T; Sala, Arnau; Polls, Artur; Ertmer, Wolfgang; Julia-Diaz, Bruno; Santos, Luis; Klempt, Carsten (Journal article; Peer reviewed, 2018)
      If the boundary conditions of the quantum vacuum are changed in time, quantum field theory predicts that real, observable particles can be created in the initially empty modes. Here, we realize this effect by changing the ...

    • Creep failure in a threshold-activated dynamics: Role of temperature during a subcritical loading 

      Roy, Subhadeep; Hatano, Takahiro (Peer reviewed; Journal article, 2020)
      Creep is a time-dependent deformation of solids at relatively low stresses, leading to the breakdown with time. Here we propose a simple model for creep failure of disordered solids in which temperature and stress are ...

    • Criterion for Imminent Failure During Loading—Discrete Element Method Analysis 

      Debski, Wojciech; Pradhan, Srutarshi; Hansen, Alex (Peer reviewed; Journal article, 2021)
      It has recently been reported that the equal load sharing fiber bundle model predicts the rate of change of the elastic energy stored in the bundle reaches its maximum before catastrophic failure occurs, making it a possible ...

    • Critical Behaviour of the Local Load Sharing Fiber Bundle Model 

      Dahle, Magnus Holter-S (Master thesis, 2016)
      A generalised, history independent, Local Load Sharing Fiber Bundle Model, describing damage propagation in materials as failing fibers under under external load is studied. If the fibers' thresholds $t$ are drawn from an ...

    • Critical properties of effective gauge theories for novel quantum fluids 

      Smørgrav, Eivind (Doktoravhandlinger ved NTNU, 1503-8181; 2005:179, Doctoral thesis, 2005)
      Critical properties of U(1) symmetric gauge theories are studied in 2+1 dimensions, analytically through duality transformations and numerically through Monte Carlo simulations. Physical applications range from quantum ...

    • Critical Properties of the Abelian Higgs Model.: A Monte Carlo Study 

      Hove, Joakim (Dr. ingeniøravhandling, 0809-103X; 2002:27, Doctoral thesis, 2002)
      We have studied various aspects of the critical properties of the Abelian Higgs model. The initial motivation to study this model is its relation to superconductivity, but the results extend beyond the realms of ...