Abstract
Having analyzed Fernández's approach for the Morse oscillator with a kinetic coupling [Phys. Lett. A 229 (1997) 262] and contrasting it with our original paper [Phys. Lett. A 213 (1996) 226], we point out that a new representation is implicitly used by Fernández. The dynamic phase difference of two wave functions obtained via two different approaches is due to different representations adopted in these two papers respectively.
Published Version
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