Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsBohm Trajectories for a Particle in a Two-Dimensional Circular Billiardhttp://demonstrations.wolfram.com/BohmTrajectoriesForAParticleInATwoDimensionalCircularBilliar/]]>http://demonstrations.wolfram.com/BohmTrajectoriesForAParticleInATwoDimensionalCircularBilliar/