Mathematics – Dynamical Systems
Scientific paper
2012-02-24
Mathematics
Dynamical Systems
16 pages, 12 figures,symposium "Recent Trends in Nonlinear Wave Phenomena: Achievements and Challenges" within the 6th IMACS I
Scientific paper
We investigate numerically by a conservative difference scheme in complex arithmetic the head-on and takeover collision dynamics of the solitary waves as solutions of linearly Coupled Nonlinear Schr\"odinger Equations for various initial phases. The initial conditions are superposition of two one-soliton solutions with general polarization. The quasi-particle behavior of propagating and interacting solutions in conditions of rotational polarization is examined. We find that the total mass, pseudomomentum and energy are conserved while the local masses, individual and total polarization depend strongly on the linear coupling and the initial phase difference. We also find out that the polarization angle of the quasi-particles can change independently of the interaction.
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