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  • Publication . Article . Preprint . 2017 . Embargo End Date: 01 Jan 2017
    Open Access
    Authors: 
    Marko Ljubotina; Marko Žnidarič; Tomaž Prosen;
    Publisher: arXiv
    Project: EC | OMNES (694544)

    The spin transport in isotropic Heisenberg model in the sector with zero magnetization is generically super-diffusive. Despite that, we here demonstrate that for a specific set of domain-wall-like initial product states it can instead be diffusive. We theoretically expl...

  • Open Access English
    Authors: 
    Hana Uršič; Vid Bobnar; Barbara Malic; Cene Filipič; Marko Vrabelj; Silvo Drnovšek; Younghun Jo; Magdalena Wencka; Zdravko Kutnjak;
    Publisher: Nature Publishing Group
    Project: EC | NANOMAG (295190)

    The existence and feasibility of the multicaloric, polycrystalline material 0.8Pb(Fe1/2Nb1/2)O3-0.2Pb(Mg1/2W1/2)O3, exhibiting magnetocaloric and electrocaloric properties, are demonstrated. Both the electrocaloric and magnetocaloric effects are observed over a broad te...

  • Publication . Article . Preprint . 2015
    Open Access English
    Authors: 
    Fabiana Zollo; Alessandro Bessi; Michela Del Vicario; Antonio Scala; Guido Caldarelli; Louis M. Shekhtman; Shlomo Havlin; Walter Quattrociocchi;
    Publisher: Public Library of Science
    Country: Italy
    Project: EC | SIMPOL (610704), EC | DOLFINS (640772), EC | SoBigData (654024), EC | MULTIPLEX (317532)

    Recently a simple military exercise on the Internet was perceived as the beginning of a new civil war in the US. Social media aggregate people around common interests eliciting a collective framing of narratives and worldviews. However, the wide availability of user-pro...

  • Open Access English
    Authors: 
    Harding, R.D.; Pallada, S.; Croese, J.; Antušek, A.; Baranowski, M.; Bissell, M.L.; Cerato, L.; Dziubinska-Kühn, K.M.; Gins, W.; Gustafsson, F.P.; +20 more
    Project: EC | ENSAR2 (654002)

    We determine for the first time the magnetic dipole moment of a short-lived nucleus with part-per-million (ppm) accuracy. To achieve this two orders of magnitude improvement over previous studies, we implement a number of innovations into our $\beta$-detected Nuclear Ma...

  • Open Access English
    Authors: 
    Berislav Buča; Katja Klobas; Tomaž Prosen;
    Project: EC | OMNES (694544), UKRI | Designing Out-of-Equilibr... (EP/P009565/1), EC | Q-MAC (319286), UKRI | Coherent Many-Body Quantu... (EP/S020527/1)

    We review recent results on an exactly solvable model of nonequilibrium statistical mechanics, specifically the classical Rule 54 reversible cellular automaton and some of its quantum extensions. We discuss the exact microscopic description of nonequilibrium dynamics as...

  • Open Access
    Authors: 
    Andrea Kunder; Giuseppe Bono; T. Piffl; Matthias Steinmetz; Eva K. Grebel; Borja Anguiano; Ken Freeman; G. Kordopatis; Tomaz Zwitter; R.-D. Scholz; +15 more
    Publisher: EDP Sciences
    Countries: United Kingdom, Netherlands
    Project: NSF | RAVE: Galactic Evolution ... (0908326), EC | GALACTICA (240271)

    Stellar population studies of globular clusters have suggested that the brightest clusters in the Galaxy might actually be the remnant nuclei of dwarf spheroidal galaxies. If the present Galactic globular clusters formed within larger stellar systems, they are likely su...

  • Publication . Preprint . Article . 2010 . Embargo End Date: 01 Jan 2010
    Open Access
    Authors: 
    Dirk Helbing; Attila Szolnoki; Matjaz Perc; György Szabó;
    Publisher: arXiv
    Project: EC | QLECTIVES (231200), EC | GLODERS (315874)

    We study the evolution of cooperation in spatial public goods games with four competing strategies: cooperators, defectors, punishing cooperators, and punishing defectors. To explore the robustness of the cooperation-promoting effect of costly punishment, besides the us...

  • Publication . Preprint . Article . 2017
    Open Access English
    Authors: 
    M. Padmanath; Christian B. Lang; Luka Leskovec; Sasa Prelovsek;
    Project: FWF | Lattice QCD Study of Char... (I 1313), EC | XQCDBaryons (744659)

    We present results from our recent lattice QCD study of $N\pi$ scattering in the positive-parity nucleon channel, where the puzzling Roper resonance $N^*(1440)$ resides in experiment. Using a variety of hadron operators, that include $qqq$-like, $N\pi$ in $p$-wave and $...

  • Publication . Article . Preprint . 2020 . Embargo End Date: 01 Jan 2020
    Open Access
    Authors: 
    Hayden, Michael R.; Sharma, Sanjib; Bland-Hawthorn, Joss; Spina, Lorenzo; Buder, Sven; Asplund, Martin; Casey, Andrew R.; De Silva, Gayandhi M.; D'Orazi, Valentina; Freeman, Ken C.; +20 more
    Publisher: arXiv
    Project: EC | MULTIDIMSPEC (852977)

    Previous studies have found that the elemental abundances of a star correlate directly with its age and metallicity. Using this knowledge, we derive ages for a sample of 250,000 stars taken from GALAH DR3 using only their overall metallicity and chemical abundances. Ste...

  • Publication . Article . Preprint . Other literature type . 2021 . Embargo End Date: 16 Mar 2022
    Open Access
    Authors: 
    Miha Srdinšek; Tomaž Prosen; Spyros Sotiriadis;
    Publisher: Freie Universit��t Berlin
    Countries: Slovenia, Germany
    Project: EC | OMNES (694544)

    We study signatures of quantum chaos in (1+1)D Quantum Field Theory (QFT) models. Our analysis is based on the method of Hamiltonian truncation, a numerical approach for the construction of low-energy spectra and eigenstates of QFTs that can be considered as perturbatio...