2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/19190The parametrically driven, damped Gross-Pitaevskii equation, which models Bose-Einstein condensates in which the interatomic s-wave scattering length is modulated in time, is shown to support spatially modulated states in the form of rolls. A Landau equation with broken phase symmetry is derived, which governs the dynamics of the roll amplitude.Soft Condensed MatterPattern Formation and Solitonstext