Sthitadhi Roy, Adolfo Grushin, Roderich Moessner, Masudul Haque. Wave-packet dynamics
on Chern-band lattices in a trap. Physical Review A, American Physical Society, 2015,
92 (6), pp.063626. (10.1103/PhysRevA.92.063626). (hal-01908339)
https://repositorio.uam.es/bitstream/10486/13491/1/63430_gonzalez%20grushin%20adolfo.pdf