Unconventional mass enhancement around the Dirac nodal loop in ZrSiS
S. Pezzini, M. R. van Delft, L. M. Schoop, B. V. Lotsch, A. Carrington, M. I. Katsnelson, N. E. Hussey, and S. Wiedmann https://journals.aps.org/prb/abstract/10.1103/PhysRevB.96.121117