关于Skyrmion的渐近稳定性
On asymptotic stability of the Skyrmion
摘要：
研究了Skyrme模型球对称解的渐近性态。我们表明，松弛度1孤子（称为Skyrmion）有一个普遍的形式叠加的两个效果：指数阻尼振荡（拟正规振铃）和幂律衰减（尾巴）。准正规振铃，其中占主导地位的动态中间时间，是一个线性共振效应。与此相反，多项式的尾巴，这是在后期的时候，成为发现，被证明是一个\emph{nonlinear}现象。
英文摘要：
We study the asymptotic behavior of spherically symmetric solutions in the Skyrme model. We show that the relaxation to the degree-one soliton (called the Skyrmion) has a universal form of a superposition of two effects: exponentially damped oscillations (the quasinormal ringing) and a power law decay (the tail). The quasinormal ringing, which dominates the dynamics for intermediate times, is a linear resonance effect. In contrast, the polynomial tail, which becomes uncovered at late times, is shown to be a \emph{nonlinear} phenomenon.
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