title: Chaotic soliton walk in periodically modulated media.
abstract: We show that a weak transverse spatial modulation in (2+1) nonlinear Schrödinger-type equation can result in nontrivial dynamics of a radially symmetric soliton. We provide examples of chaotic soliton motion in periodic media both for conservative and dissipative cases. We show that complex dynamics can persist even for soliton sizes greater than the modulation period.
authors.affiliation: Ben Gurion University, 84105 Be'er Sheva, Israel.
authors.forename: Dmitry
authors.initials: D
authors.lastname: Turaev
authors.forename: Mindaugas
authors.initials: M
authors.lastname: Radziunas
authors.forename: Andrei G
authors.initials: AG
authors.lastname: Vladimirov