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原文連結
論文資訊
- 類型：已發表論文
- 日期：2015-10-06
摘要
In this study we consider we consider a prototypical example of a PT-symmetric Dirac model. We discuss the underlying linear limit of the model and identify the threshold of the PT-相變 in an analytical form. We then focus on the examination of the 非線性 model. We consider the continuation in the PT-symmetric model of the solutions of the corresponding Hamiltonianmodel and find that the solutions can be continued robustly as stable ones all the way up to thePT-transition threshold. In the latter, they degenerate into linearwaves. We also examine the dynamics of the model. Given the stability of the waveforms in the PT-exact phase, we consider them as initial conditions for parameters outside of that phase. We find that both oscillatory dynamics and exponential growth may arise, depending on th
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