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Neumann边条件下薛定谔算子前两个特征值间距的估计 被引量:1

Estimate for the Gap of the First two Eigenvalues of Schrdinger Operator with Neumann Boundary Condition
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摘要 通过将Neumann边条件下一维薛定谔方程的特征值与一类代数方程的实根建立一一对应关系,从而给出了Neumann边条件下薛定谔算子的第一,第二特征值之差的一个最优下界,并证明了此时最优势函数必为常函数. This paper gives the optimal estimate of the lower bound for the first two eigenvalues of Schrdinge equation with Neumann boundary condition by setting one-one relation between the eigenvalues of Schrdinger equation and the real roots of one kind of equation.Meanwhile,we proved the optimal potential must be constant function.
作者 周敏 向会立
出处 《湖北民族学院学报(自然科学版)》 CAS 2010年第1期53-56,共4页 Journal of Hubei Minzu University(Natural Science Edition)
基金 湖北省教育厅青年基金项目(Q200729004)
关键词 Neumann边条件 薛定谔算子 特征值间距估计 Neumann boundary condition Schrdinge operator estimate of the gap of eigenvalues
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