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I. W. acknowledges support from the Polish Ministry of Science and Higher Education through a 'Iuventus Plus' research project for the years 2010-2011, the Alexander von Humboldt Foundation and EU grant No. CIG-303689. G.Z. acknowledges support from the DFG.\nDepartment of Physics, Budapest University of Technology and Economics, Budafoki ut 8, 1111 Budapest, Hungary \n Department of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland \n Dahlem Center, Freie Universität Berlin, Fachbereich Physik, Arnimallee 14, 14195 Berlin, Germany \n MTA-BME Quantum Phases Lendulet Research Group, Budapest University of Technology and Economics, Budafoki ut 8, 1111 Budapest, Hungary \n Cited By :16 \n Export Date: 30 July 2020 \n Correspondence Address: Weymann, I.; Department of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland; email: weymann@amu.edu.pl\nDepartment of Physics, Budapest University of Technology and Economics, Budafoki ut 8, 1111 Budapest, Hungary \n Department of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland \n Dahlem Center, Freie Universität Berlin, Fachbereich Physik, Arnimallee 14, 14195 Berlin, Germany \n MTA-BME Quantum Phases Lendulet Research Group, Budapest University of Technology and Economics, Budafoki ut 8, 1111 Budapest, Hungary \n Cited By :16 \n Export Date: 11 February 2021 \n Correspondence Address: Weymann, I.; Department of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland; email: weymann@amu.edu.pl \n Funding details: Seventh Framework Programme, FP7, 258789, 271554, 239223, 303689\nDepartment of Physics, Budapest University of Technology and Economics, Budafoki ut 8, 1111 Budapest, Hungary \n Department of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland \n Dahlem Center, Freie Universität Berlin, Fachbereich Physik, Arnimallee 14, 14195 Berlin, Germany \n MTA-BME Quantum Phases Lendulet Research Group, Budapest University of Technology and Economics, Budafoki ut 8, 1111 Budapest, Hungary \n Cited By :17 \n Export Date: 20 September 2021 \n Correspondence Address: Weymann, I.; Department of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland; email: weymann@amu.edu.pl \n Funding details: Seventh Framework Programme, FP7, 239223, 258789, 271554, 303689\nFunding Agency and Grant Number: EU ERCEuropean Research Council (ERC)European Commission [CooPairEnt 258789, 271554]; EU, Hungarian [OTKA CNK80991, K73361, TAMOP-4.2.2.B-10/1-2010-0009]; EUEuropean Commission [ERG-239223, CIG-303689]; Polish Ministry of Science and Higher EducationMinistry of Science and Higher Education, Poland; Alexander von Humboldt FoundationAlexander von Humboldt Foundation; DFGGerman Research Foundation (DFG)European Commission\n Funding text: We acknowledge support from EU ERC CooPairEnt 258789, FP7 SE2ND 271554, the EU-NKTH GEOMDISS project, Hungarian grant No. OTKA CNK80991, K73361, TAMOP-4.2.2.B-10/1-2010-0009 and EU ERG-239223. 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