Zitterbewegung of Dirac quasiparticles in a periodically modulated potentialShu-Ting Zhang, Wei-Lin Li, Xi-Dan Hu, Li-Mei Chen and Zhi LiEur. Phys. J. B, 99 3 (2026) 39DOI: https://doi.org/10.1140/epjb/s10051-026-01132-3