✦ LIBER ✦

Self-Duality and Harada Rings

✍ Scribed by Jiro Kado; Kiyoichi Oshiro

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 198 KB
Volume: 211
Category: Article
ISSN: 0021-8693
DOI: 10.1006/jabr.1998.7593

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A class of spectral problems with a hidden Lie-algebraic structure is considered. We define a duality transformation which maps the spectrum of one quasi-exactly solvable (QES) periodic potential to that of another QES periodic potential. The self-dual point of this transformation corresponds to the