摘要
为在有非等温的电子的血浆的离子声学的波浪， MKPequation 是它的管理方程。MKP 方程的一个 soliton 答案的不稳定性 totwo 维的长波长的不安被调查直到第三份订单。如果，它显示 MKP 方程的 one-soliton 答案是不稳定的ν =- 它是的 1 wheras 稳定如果第三顺序近似被考虑了的ν = 1until。
For ion-acoustic waves in a plasma with non-isothermal electrons, the MKP equation is its governing equation. The instability of a soliton solution of MKP equation to two-dimensional long-wavelength perturbations is investigated up to the third order. It indicates that the one-soliton solution of MKP equation is unstable if v = -1 wheras it is stable if v = 1 until the third order approximation has been considered.
