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.

在非周期性边件和在考虑表各向异性场的情况下,应用重参数化方法精确求解了层对称铁磁薄膜中的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.

摘要对维情况下平PN结的连续性方程进行了求解，给出了不同边件下光生载流子浓度的式解，并对结果进行了分析讨论。