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Wronskian-type formula for inhomogeneous $$TQ$$ equations
Theoretical and Mathematical Physics ( IF 1.0 ) Pub Date : 2020-09-01 , DOI: 10.1134/s004057792009007x
Rafael I. Nepomechie

The transfer-matrix eigenvalues of the isotropic open Heisenberg quantum spin-1/2 chain with non-diagonal boundary magnetic fields are known to satisfy a TQ-equation with an inhomogeneous term. We derive here a discrete Wronskian-type formula relating a solution of this inhomogeneous TQ-equation to the corresponding solution of a dual inhomogeneous TQ-equation.

中文翻译:

非齐次 $$TQ$$ 方程的 Wronskian 型公式

已知具有非对角边界磁场的各向同性开放海森堡量子自旋 1/2 链的传递矩阵特征值满足具有非齐次项的 TQ 方程。我们在这里推导出一个离散的 Wronskian 型公式,将这个非齐次 TQ 方程的解与对偶非齐次 TQ 方程的相应解联系起来。
更新日期:2020-09-01
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