Two-Dimensional Breather Lattice Solutions and Compact-Like Discrete Breathers and Their Stability in Discrete Two-Dimensional Monatomic β-FPU Lattice

我们把我们的注意限制为分离二维的单原子的 β-FPU 格子。我们由使用试一试的方法寻找二维的 breather 格子答案和二维的像协议的分离呼吸 ers 并且由使用 Aubry 的线性地稳定的理论分析他们的稳定性。我们在分离二维的单原子的 β-FPU 格子获得存在的条件和二维的 breather 格子答案和二维的像协议的分离呼吸 ers 的稳定性。

We restrict our attention to the discrete two-dimensional monatomic β-FPU lattice. We look for two- dimensional breather lattice solutions and two-dimensional compact-like discrete breathers by using trying method and analyze their stability by using Aubry＇s linearly stable theory. We obtain the conditions of existence and stability of two-dimensional breather lattice solutions and two-dimensional compact-like discrete breathers in the discrete two- dimensional monatomic β-FPU lattice.