In this article we derive the triangular integral representations of the Jost matrix solutions of the continuous Heisenberg spin chain equation, as proposed by Zakharov and Takhtajan, without making smoothness assumptions on the spin density.
Nonsmooth spin densities for continuous Heisenberg spin chains
DEMONTIS, FRANCESCO;VAN DER MEE, CORNELIS VICTOR MARIA
2016-01-01
Abstract
In this article we derive the triangular integral representations of the Jost matrix solutions of the continuous Heisenberg spin chain equation, as proposed by Zakharov and Takhtajan, without making smoothness assumptions on the spin density.
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