259 citations · 2k across the 75 of their papers we have counts for
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quant-ph2002★ 10 cited
Multidimensional quasi-exactly solvable potentials with two known eigenstates
V. M. Tkachuk, T. V. Fityo
A general approach for constructing multidimensional quasi-exactly solvable (QES) potentials with explicitly known eigenfunctions for two energy levels is proposed. Examples of new…
quant-ph2002★ 17 cited
Factorization and superpotential of the PT symmetric Hamiltonian
V. M. Tkachuk, T. V. Fityo
We study the factorization of the PT symmetric Hamiltonian. The general expression for the superpotential corresponding to the PT symmetric potential is obtained and explicit examp…