title: Delayed-action interaction and spin-orbit coupling between solitons.
abstract: We report on new fundamental phenomena in soliton interactions: delayed-action interaction and "spin"-orbit coupling upon collision between two-dimensional composite solitons carrying topological charges.
authors.affiliation: Department of Mathematics, Technion--Israel Institute of Technology, Haifa.
authors.forename: Z H
authors.initials: ZH
authors.lastname: Musslimani
authors.forename: M
authors.initials: M
authors.lastname: Soljacić
authors.forename: M
authors.initials: M
authors.lastname: Segev
authors.forename: D N
authors.initials: DN
authors.lastname: Christodoulides