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  • Open Access English
    Authors: 
    Bossetta, Michael;
    Publisher: SAGE Publications
    Country: Sweden

    The present study argues that political communication on social media is mediated by a platform’s digital architecture—the technical protocols that enable, constrain, and shape user behavior in a virtual space. A framework for understanding digital architectures is int...

  • Publication . Preprint . Article . 2020
    Open Access English
    Authors: 
    Patrik Lundström; Johan Öinert;

    Let $R$ be a unital ring, let $E$ be a directed graph and recall that the Leavitt path algebra $L_R(E)$ carries a natural $\mathbb{Z}$-gradation. We show that $L_R(E)$ is strongly $\mathbb{Z}$-graded if and only if $E$ is row-finite, has no sink, and satisfies Condition...

  • Publication . Article . Preprint . 2016
    Open Access English
    Authors: 
    P. Adlarson; W. Augustyniak; W. Bardan; M. Bashkanov; F. S. Bergmann; M. Berłowski; H. Bhatt; A.E. Bondar; Markus Büscher; Hans Calén; +84 more
    Publisher: The Author(s). Published by Elsevier B.V.
    Countries: Germany, Poland, Germany, Sweden
    Project: UKRI | Hunt for Exotic Particles... (ST/L00478X/1)

    Various theoretical calculations based on QCD or hadronic interactions predict that in addition to the recently observed dibaryon resonance d⁎(2380) with I(JP)=0(3+) there should also exist a dibaryon resonance with mirrored quantum numbers I(JP)=3(0+). We report here o...

  • Open Access English
    Authors: 
    E. V. Bezuglyi; E. N. Bratus; Vitaly Shumeiko;

    We develop a theory for the current-voltage characteristics of diffusive superconductor-normal metal-superconductor Josephson junctions with resistive interfaces and the distance between the electrodes smaller than the superconducting coherence length. The theory allows...

  • Publication . Preprint . Other literature type . 2018
    Open Access English
    Authors: 
    J. A. Mattias Green; David Bowers; Hannah Byrne;

    Abstract. Double high or low tides are usually explained by adding a higher harmonic to the dominating tide. In its simplest form, the criterion for a double tide is that the amplitude ratio between the higher harmonic and the dominating constituent is larger than 1/n2 ...

  • Publication . Article . Preprint . Other literature type . 2019
    Open Access English
    Authors: 
    Paul-Konstantin Oehlmann; Thorsten Schimannek;
    Publisher: Uppsala Univ, Dept Phys & Astron, Regementsvagen 1, S-77120 Uppsala, Sweden.
    Countries: Austria, Sweden
    Project: FWF | Exotic Calabi-Yaus from S... (P 30904)

    Abstract We present a novel technique to obtain base independent expressions for the matter loci of fibrations of complete intersection Calabi-Yau onefolds in toric ambient spaces. These can be used to systematically construct elliptically and genus one fibered Calabi-Y...

  • Open Access English
    Authors: 
    Iodice, M.; Cusanno, F.; Acha, A.; Ambrozewicz, P.; Aniol, K.A.; Baturin, P.; Bertin, P.Y.; Benaoum, H.; Blomqvist, K.I.; Boeglin, W.U.; +89 more
    Publisher: HAL CCSD
    Country: France

    An experiment measuring electroproduction of hypernuclei has been performed in Hall A at Jefferson Lab on a $^{12}$C target. In order to increase counting rates and provide unambiguous kaon identification two superconducting septum magnets and a Ring Imaging CHerenkov d...

  • Open Access English
    Authors: 
    Viloan, Rommel Paulo B.; Gu, Jiabin; Boyd, Robert; Keraudy, Julien; Li, Liuhe; Helmersson, Ulf;
    Publisher: Linköpings universitet, Plasma och beläggningsfysik
    Country: Sweden

    The effect of applying a positive voltage pulse (Urev = 10 - 150 V) directly after the negative high power impulse magnetron sputtering (HiPIMS) pulse (bipolar HiPIMS) is investigated for the reactive sputter deposition of TiN thin films. Energy-resolved mass spectrosco...

  • Publication . Article . Preprint . 2016
    Open Access English
    Authors: 
    van Wyk, F.; Highcock, E. G.; Schekochihin, A. A.; Roach, C. M.; Field, A. R.; Dorland, W.;
    Country: United Kingdom
    Project: EC | EUROfusion (633053), UKRI | Plasma Physics HEC Consor... (EP/L000237/1), UKRI | The Plasma-CCP Network (EP/M022463/1)

    Tokamak turbulence, driven by the ion-temperature gradient and occurring in the presence of flow shear, is investigated by means of local, ion-scale, electrostatic gyrokinetic simulations (with both kinetic ions and electrons) of the conditions in the outer core of the ...

  • Open Access English
    Authors: 
    Andreas Hellander; Michael J. Lawson; Brian Drawert; Linda R. Petzold;
    Project: NIH | Stochastic Simulation Ser... (1R01EB014877-01), NSF | Collaborative Research: N... (1001012)

    The efficiency of exact simulation methods for the reaction-diffusion master equation (RDME) is severely limited by the large number of diffusion events if the mesh is fine or if diffusion constants are large. Furthermore, inherent properties of exact kinetic-Monte Carl...