J. M. Speight

A discrete $\phi^4$ system without a Peierls - Nabarro barrier

J. M. Speight, 1997 .

BREATHERS IN THE WEAKLY COUPLED TOPOLOGICAL DISCRETE SINE-GORDON SYSTEM

J. M. Speight, M. Haskins, 1998 .

Topological discrete kinks

J. M. Speight, 1999 .

Kink dynamics in a novel discrete sine-Gordon system

R. S. Ward, J. M. Speight, J. Speight, 1994, patt-sol/9911008.