Characterizing asymmetric and bimodal long-term financial return distributions through quantum walksStijn De Backer, Luis E. C. Rocha, Jan Ryckebusch and Koen SchoorsEur. Phys. J. B, 99 4 (2026) 51DOI: https://doi.org/10.1140/epjb/s10051-026-01157-8