等离子体波摆动器中电子运动的混沌特性

本文用Ｐｏｉｎｃａｒｅ截面及Ｌｙａｐｕｎｏｖ指数两种方法，研究了新型的等离子体波摆动器中电子运动的混沌特性，结果表明，当摆动器强度增大时电子从规则运动向混沌状态发展，这是提高自由电子激光输出功率时必须解决的一个重大课题。

Chaotic Characteristics of Electron Motion in a Plasma Wave Wiggler

The Poincare surface-of-section maps and Lyapunov exponents have been used to demonstrate the chaotic charateristics of electron motion in a plasma wave wiggler. The results show when the field strength of wiggler increases the electron motion changes from the regular state to chaotic mode. This is an important problem which has to be solved when the output power of free electron laser increases.