Wave propagation in discrete cold bosonic atoms zig–zag optical lattice Alphonse Houwe, Souleymanou Abbagari, Lanre Akinyemi, Mustafa Inc and Serge Y. Doka Eur. Phys. J. Plus, 137 9 (2022) 1029 Published online: 10 September 2022 DOI: 10.1140/epjp/s13360-022-03233-1