Answers are grounded in this paper and cite their sources.
Numerical solutions of the two-space dimensional nonlinear Schrödinger equation with spatially periodic boundary conditions have been obtained. It has been found that the long-time evolution exhibits the Fermi–Pasta–Ulam recurrence phenomenon for a wide range of initial conditions.
No takes yet. Share an insight, caveat, or question.
Yuen et al. (1978) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: