本頁只刊出中文翻譯與中文說明；英文原文請見下方原文連結。
原文連結
論文資訊
- 類型：已發表論文
- 日期：2017-09-19
摘要
We discuss the effect of small perturbation on nodeless solutions of the 非線性 Schrodinger equation in 1 + 1 dimensions in an external complex potential derivable from a parity-time symmetric superpotential that was considered earlier (Kevrekidis et al 2015 Phys. Rev. E 92 042901). In particular, we consider the 非線性 partial differential equation {i partial derivative(t) + partial derivative(2)(x) + g vertical bar psi(x, t)vertical bar(2) - V+(x)} psi(x, t) = 0, where V+(x) = (-b(2) - m(2) + 1/4) sech(2)(x) - 2imb sech(x) tanh(x) represents the complex potential. Here, we study the perturbations as a function of b and m using a variational approximation based on a dissipation functional formalism. We compare the result of this variational approach with direct numerical simulation of the equat
※ 此為已發表論文，全文需透過期刊付費取得