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physics.comp-ph2021★ 9 cited
Dynamical representations of constrained multicomponent nonlinear Schrödinger equations in arbitrary dimensions
M Gulliksson, M Ogren
We present new approaches for solving constrained multicomponent nonlinear Schrödinger equations in arbitrary dimensions. The idea is to introduce an artificial time and solve an e…
physics.comp-ph2020★ 5 cited
A numerical damped oscillator approach to constrained Schrödinger equations
M. Ogren, M. Gulliksson
This article explains and illustrates the use of a set of coupled dynamical equations, second order in a fictitious time, which converges to solutions of stationary Schrödinger equ…
physics.comp-ph2015★ 24 cited
Numerical solution of the stationary multicomponent nonlinear Schrödinger equation with a constraint on the angular momentum
P. Sandin, M. Ogren, M. Gulliksson
We formulate a damped oscillating particle method to solve the stationary nonlinear Schrödinger equation (NLSE). The ground state solutions are found by a converging damped oscilla…