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Darboux Transformations for a System of Coupled Discrete Schrodinger Equations

机译:耦合离散Schrodinger方程组的Darboux变换

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摘要

Darboux transformations and a factorization procedure are presented for a system of coupled finite-difference Schrodinger equations. The conformity between generalized Darboux transformations and the factorization method is established. Factorization chains and consequences of Darboux transformations are obtained for a system of coupled discrete Schrodinger equations. The proposed approach permits constructing a few series of potential matrices with known spectral characteristics for which coupled-channel discrete Schrodinger equations have exact solutions.
机译:针对耦合的有限差分薛定inger方程组,提出了Darboux变换和分解程序。建立了广义Darboux变换与因式分解方法之间的一致性。对于耦合的离散薛定inger方程组,获得了因子分解链和Darboux变换的结果。所提出的方法允许构造具有已知光谱特性的几个潜在矩阵系列,对此,耦合通道离散薛定inger方程具有精确解。

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