A NEW METHOD TO SOLVE THE QUANTUM ABLOWITZ-LADIK SYSTEM

被引：22
|
作者：
SALERNO, M
机构：
[1] Department of Theoretical Physics, University of Salerno
来源：
PHYSICS LETTERS A | 1992年 / 162卷 / 05期
关键词：
D O I：
10.1016/0375-9601(92)90058-T
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We use an alternative approach to solve the quantum problem of the Ablowitz-Ladik system. This approach is simpler than the standard quantum inverse scattering method and it is based on the existence, in the symmetry algebra, of an invariant operator with finite dimensional eigenspaces. This makes the quantum problem equivalent to the diagonalization of finite matrices, a problem which is easily solved on a computer.
引用
收藏
页码：381 / 384
页数：4
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