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Shifman, M.A. and Turbiner, A.V. (1989) Quantal Problems with Partial Algebraization of Spectrum. Communications in Mathematical Physics, 126, 347-365.
https://doi.org/10.1007/BF02125129

has been cited by the following article:

• TITLE: Quasi-Exactly Solvable Jacobi Elliptic Potential

  AUTHORS: Ancilla Nininahazwe

  KEYWORDS: Jacobi Elliptic Potential, QES Analytic Method, Three QES Conditions

  JOURNAL NAME: Open Journal of Microphysics, Vol.10 No.3, July 20, 2020

  ABSTRACT: A new example of 2×2-matrix quasi-exactly solvable (QES) Hamiltonian which is associated to a Jacobi elliptic potential is constructed. We compute algebraically three necessary and sufficient conditions with the QES analytic method for the Jacobi Hamiltonian to have a finite dimensional invariant vector space. The matrix Jacobi Hamiltonian is called quasi-exactly solvable.