Eur. Phys. J. B 15, 673-678 (2000)
https://doi.org/10.1007/s100510051171

Lump scattering on the torus

Departamento de Física F.E.C., La Universidad del Zulia, Apartado 15332, Maracaibo 4005-A, Venezuela

Received: 6 June 1999
Revised: 24 January 2000
Published online: 15 June 2000

Abstract

Head-on collisions between two solitons in the pure model on a flat torus are investigated via numerical simulations. The charge-two lumps, written out in terms of Weierstrass' elliptic -function, are found to scatter at 90. The phenomenon of singularity formation is also seen.