Spike-Layer Simulation for Steady-State Coupled Schrödinger Equations

Spike-Layer Simulation for Steady-State Coupled Schrödinger Equations
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稳态耦合薛定谔方程的尖峰层模拟

DOI:
10.4208/eajam.030616.130517a
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发表时间:
2017-08
影响因子:
1.2
通讯作者:
Hui Zhang
Hui Zhang
中科院分区:
数学2区
文献类型:
--
作者:
Liming Liao;Guanghua Ji;Zhongwei Tang;Hui Zhang

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采用自适应有限元方法对小参数稳态耦合薛定谔方程组进行数值模拟。采用阻尼牛顿迭代法求解非线性代数方程组。当解区域为椭圆时,我们在Dirichlet或Neumann边界条件下的数值结果与前人的理论结果一致。对于具有Dirichlet边界条件的哑铃型和圆环型区域,我们得到了一些新的结果,这些结果可以与将来的理论分析相比较。
An adaptive finite element method is adopted to simulate the steady state coupled Schrodinger equations with a small parameter. We use damped Newton iteration to solve the nonlinear algebraic system. When the solution domain is elliptic, our numerical results with Dirichlet or Neumann boundary conditions are consistent with previous theoretical results. For the dumbbell and circular ring domains with Dirichlet boundary conditions, we obtain some new results that may be compared with future theoretical analysis.
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