Envelope Soliton of the Bloch Wave in Nonlinear Periodic Systems
1994 年 63 巻 12 号 p. 4343-4349
詳細
1994 年 63 巻 12 号 p. 4343-4349
Nonlinear waves in a one-dimensional periodic system are investigated. If the system is linearized, it has Bloch type solutions. It is shown that envelopes of the Bloch wave obey the nonlinear Schrödinger equation. Therefore, soliton propagations are observed in the system. Our method is applicable to many nonlinear periodic systems.
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