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3,330 research outcomes, page 1 of 333
  • publication . Article . Preprint . 2015
    Open Access
    Authors:
    Thanos Manos; Marko Robnik;
    Persistent Identifiers
    Publisher: American Physical Society (APS)
    Country: Germany

    We study the quantum kicked rotator in the classically fully chaotic regime $K=10$ and for various values of the quantum parameter $k$ using Izrailev's $N$-dimensional model for various $N \le 3000$, which in the limit $N \rightarrow \infty$ tends to the exact quantized...

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  • publication . Preprint . 2013
    Open Access English
    Authors:
    Wadati, H.; Yoshimatsu, K.; Kumigashira, H.; Oshima, M.; Sugiyama, T.; Ikenaga, E.; Fujimori, A.; Mravlje, J.; Georges, A.; Radetinac, A.; ...

    We investigate the electronic structure of a perovskite-type Pauli paramagnet SrMoO3 (t2g2) thin film using hard x-ray photoemission spectroscopy and compare the results to the realistic calculations that combine the density functional theory within the local-density ap...

  • publication . Article . Preprint . 2015
    Open Access English
    Authors:
    Jonathan L. Gross; Toufik Mansour; Thomas W. Tucker; David G. L. Wang;
    Persistent Identifiers
    Publisher: Društvo matematikov, fizikov in astronomov
    Country: Slovenia

    We prove that the genus polynomials of the graphs called iterated claws are real-rooted. This continues our work directed toward the 25-year-old conjecture that the genus distribution of every graph is log-concave. We have previously established log-concavity for sequen...

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  • publication . Article . Preprint . 2017
    Open Access English
    Authors:
    Peter Gabrovsek; Darko Aleksovski; Igor Mozetič; Miha Grčar;
    Persistent Identifiers
    Publisher: Public Library of Science (PLoS)
    Country: Slovenia
    Project: EC | SIMPOL (610704), EC | DOLFINS (640772)

    We investigate the relationship between social media, Twitter in particular, and stock market. We provide an in-depth analysis of the Twitter volume and sentiment about the 30 companies in the Dow Jones Industrial Average index, over a period of three years. We focus on...

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  • publication . Article . Preprint . 2019
    Open Access
    Authors:
    Stepišnik, Janez; Mattea, Carlos; Stapf, Siegfried; Mohorič, Aleš;
    Persistent Identifiers
    Publisher: Elsevier BV

    Molecular dynamics in binary mixtures of water and glycerol was studied by measuring the spectrum of water velocity auto-correlation in the frequency range from 0.05 to 10 kHz by using the NMR method of modulated gradient spin echo. The method shows that the diversity o...

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  • publication . Article . Preprint . 2016
    Open Access English
    Authors:
    Marko Kandić; Klemen Šivic;
    Persistent Identifiers

    Abstract Gerstenhaber's theorem states that the dimension of the unital algebra generated by two commuting n × n matrices is at most n. We study the analog of this question for positive matrices with a positive commutator. We show that the dimension of the unital algebr...

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  • publication . Article . Preprint . 2016
    Open Access
    Authors:
    Gomilsek, M.; Klanjsek, M.; Pregelj, M.; Coomer, F. C.; Luetkens, H.; Zaharko, O.; Fennell, T.; Li, Y.; Zhang, Q. M.; Zorko, A.;
    Persistent Identifiers
    Project: EC | NMI3-II (283883), SNSF | Spin-liquid and spin-ice ... (IZ73Z0_152734), SNSF | Quantum Frustration in Mo... (200021_140862)

    The emergent behavior of spin liquids that are born out of geometrical frustration makes them an intriguing state of matter. We show that in the quantum kagome antiferromagnet ${\mathrm{ZnCu}}_{3}({\mathrm{OH})}_{6}{\mathrm{SO}}_{4}$ several different correlated yet flu...

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  • publication . Article . Preprint . 2015
    Open Access English
    Authors:
    Lu, Hantao; Shao, Can; Bonča, Janez; Manske, Dirk; Tohyama, Takami;
    Persistent Identifiers

    We investigate the time evolution of optical conductivity in the half-filled one-dimensional extended Hubbard model driven by a transient laser pulse, by using the time-dependent Lanczos method. Photoinduced in-gap excitations exhibit a qualitatively different structure...

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  • publication . Preprint . 2019
    Open Access English
    Authors:
    Tadic, Bosiljka; Suvakov, Milovan; Andjelkovic, Miroslav; Rodgers, Geoff J.;
    Project: MESTD | Advanced analytical, nume... (174014), MESTD | Fundamental processes and... (171037), MESTD | Application of low temper... (41011)

    Motivated by the relevance of higher-order interactions in quantum physics and materials science at the nanoscale, recently a model has been introduced for new classes of networks that grow by the geometrically constrained aggregation of simplexes (triangles, tetrahedra...

  • publication . Article . Preprint . 2020
    Open Access English
    Authors:
    Lau, Jey Han; Armendariz, Carlos Santos; Lappin, Shalom; Purver, Matthew; Shu, Chang;
    Project: EC | EMBEDDIA (825153)

    We study the influence of context on sentence acceptability. First we compare the acceptability ratings of sentences judged in isolation, with a relevant context, and with an irrelevant context. Our results show that context induces a cognitive load for humans, which co...

3,330 research outcomes, page 1 of 333