Pengfei Chen

Onset mechanism for granular axial band formation in rotating tumblers.

Richard M. Lueptow, Julio M Ottino, J. Ottino, 2010, Physical review letters.

Granular axial band formation in rotating tumblers: a discrete element method study

Julio M. Ottino, Richard M. Lueptow, J. Ottino, 2011, New Journal of Physics.

Inversion of band patterns in spherical tumblers.

Richard M. Lueptow, Julio M Ottino, J. Ottino, 2009, Physical review letters.