A class of exactly solvable real and complex PT symmetric reflectionless potentials
JOURNAL OF MATHEMATICAL PHYSICS(2024)
摘要
We consider the question of the number of exactly solvable complex but PT-invariant reflectionless potentials with N bound states. By carefully considering the Xm rationally extended reflectionless potentials, we argue that the total number of exactly solvable complex PT-invariant reflectionless potentials are 2[(2N - 1)m + N].
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