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原文連結
論文資訊
- 類型：已發表論文
- 日期：2021-01-18
摘要
We discuss the response of both moving and trapped solitary wave solutions of a two-component 非線性 Schrödinger system in 1 + 1 dimensions to an odd-PT external periodic complex potential. The dynamical behavior of perturbed solitary waves is explored by conducting numerical simulations of the 非線性 system and using a collective coordinate variational approximation.We present case examples corresponding to choices of parameter values and initial conditions involved therein. The results of the collective coordinate approximation are compared against numerical simulations where we observe qualitatively good agreement between the two. Unlike the case for a single-component solitary wave in a complex periodic PT -symmetric potential, the collective coordinate equations do not have a small oscillat
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