任意空间电荷横模耦合不稳定性的阈值
Threshold of transverse mode coupling instability with arbitrary space charge
摘要：
在方阱模型的框架下，计算了任意空间电荷调谐位移时横模耦合不稳定性的阈值。一种新的计算方法是超越传统的扩展技术。方，电阻性和指数唤醒进行了研究。结果表明，不稳定性阈值随频移的增加而无限制地上升。的抛物型势阱的常规情况下的结果的相似之处被证明和解释。
英文摘要：
Threshold of the transverse mode coupling instability is calculated in frameworks of the square well model at arbitrary value of space charge tune shift. A new method of calculation is developed beyond the traditional expansion technique. The square, resistive, and exponential wakes are investigated. It is shown that the instability threshold goes up without limit when the tune shift increases. A resemblance of the results to conventional case of the parabolic potential well is demonstrated and explained.
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