Cuevas, Jesús; Kevrekidis, Panayotis G.; Saxena, Avadh; KHARE, AVINASH
(American Physical Society, 2013-09)
We provide a systematic analysis of a prototypical nonlinear oscillator system respecting P T symmetry i.e., one of them has gain and the other an equal and opposite amount of loss. Starting from the linear limit of the ...