Abstract
The stability problem for the so-called continuous-discrete solitons in a nonlinear fiber array is examined. We prove that the ground states are unstable if the first derivative of the ‘‘energy’’ integral P=F‖dt with respect to the soliton parameter is negative.
- Received 14 June 1995
DOI:https://doi.org/10.1103/PhysRevE.52.5549
©1995 American Physical Society