The Bethe ansatz equations are obtained from the periodic boundary conditions.The results show that this system is also completely integrable.

【摘要】： 正 The exact eigenstates of the Hamiltonian of the mixed-valence lattice model are constructed by using the Bethe ansatz.

A symmetrical ferromagnetic bilayer film is investigated under the nonperiodic boundary condition and considering anisotropic field at two surfaces,by using the rescaling interface approach.

在非周期性边界条件和在考虑表面各向异性场情况下,应用界面重参法精确求解了层对称铁磁薄低能自旋波本征问题。

The one dimensional continuity equations of n-on-p planar PN junction are solved at different boundary conditions. Generalized solutions of photocarrier concentration are given in this paper.

摘要对一维情况下平面PN结连续性程进行了求解，给出了不同边界条件下光生载流子浓度一般形式解，并对结果进行了分析讨论。