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  • 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...

  • Open Access English
    Authors: 
    Saha, Tanusree; Golez, Denis; De Ninno, Giovanni; Mravlje, Jernej; Murakami, Yuta; Ressel, Barbara; Stupar, Matija; Ribic, Primoz Rebernik;
    Project: EC | NFFA-Europe (654360)

    We investigate the non-equilibrium electronic structure and characteristic time scales in a candidate excitonic insulator, Ta$_2$NiSe$_5$, using time- and angle-resolved photoemission spectroscopy with a temporal resolution of 50 fs. Following a strong photoexcitation, ...

  • Open Access English
    Authors: 
    Zouhair Hanani; Ilyasse Izanzar; M'barek Amjoud; Daoud Mezzane; Mohammed Lahcini; Hana Uršič; Uroš Prah; Ismael Saadoune; Mimoun El Marssi; Igor A. Luk'yanchuk; +2 more
    Publisher: HAL CCSD
    Country: France
    Project: EC | MELON (872631), EC | ENGIMA (778072)

    International audience; Piezoelectric nanogenerators are attracting substantial attention due to the environmental constraints and ecological considerations of energy harvesting. However, the Achilles' heel of the majority of these nanogenerators is the presence of toxi...

  • Open Access English
    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
    Countries: Netherlands, United Kingdom
    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...

  • 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
    Country: Czech Republic
    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: 
    Miha Srdinšek; Tomaž Prosen; Spyros Sotiriadis;
    Countries: Germany, Slovenia
    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...

  • Open Access English
    Authors: 
    Asbani, B.; Dellis, J. -L.; Lahmar, A.; Amjoud, M.; Gagou, Y.; Mezzane, D.; Kutnjak, Z.; Pirc, R.; Marssi, M. El; Rožič, B.;
    Project: EC | ENGIMA (778072)

    Over the past decades, there has been significant interest in new cooling technology based on the electrocaloric effect. The large electrocaloric effect observed in polymeric and inorganic ferroelectric materials made possible development of dielectric cooling devices o...

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

    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 $...

  • Open Access English
    Authors: 
    Boris Panes; Christopher Eckner; Luc Hendriks; Sascha Caron; K. Dijkstra; Gudlaugur Johannesson; Roberto Ruiz de Austri; G. Zaharijas;
    Publisher: HAL CCSD
    Country: France
    Project: EC | ELUSIVES (674896)

    At GeV energies, the sky is dominated by the interstellar emission from the Galaxy. With limited statistics and spatial resolution, accurately separating point sources is therefore challenging. Here we present the first application of deep learning based algorithms to a...

  • Publication . Other literature type . Preprint . Article . 2019
    Open Access English
    Authors: 
    Pregelj, Matej; Zorko, Andrej; Gomilšek, Matjaž; Klanjšek, Martin; Zaharko, Oksana; White, Jonathan S.; Luetkens, Hubertus; Coomer, Fiona; Ivek, Tomislav; Rivas Góngora, David; +2 more
    Countries: Switzerland, Croatia, United Kingdom
    Project: SNSF | Spin-liquid and spin-ice ... (IZ73Z0_152734), UKRI | DFT+mu: a step change in ... (EP/N024028/1), EC | NMI3-II (283883)

    Elementary excitations in condensed matter capture the complex many-body dynamics of interacting basic entities in a simple quasiparticle picture. In magnetic systems the most established quasiparticles are magnons, collective excitations that reside in ordered spin str...