Fractional-quantum-Hall-effect (FQHE) in 1D Hubbard models Ioannis Kleftogiannis and Ilias Amanatidis Eur. Phys. J. B, 94 2 (2021) 41 Published online: 01 February 2021 DOI: 10.1140/epjb/s10051-021-00050-w