Landau levels in QCD in an external magnetic fieldFalk Bruckmann, Gergely Endrődi, Matteo Giordano, Sándor D. Katz, Tamás G. Kovács, Ferenc Pittler and Jacob WellnhoferEPJ Web Conf., 175 (2018) 07014DOI: https://doi.org/10.1051/epjconf/201817507014