An analytic solution of a two-level nonlinear system driven by a pulse external field

In a recent paper, Klews and Schweizer ͓Phys. Rev. A 64, 053403 ͑2001͔͒ presented a computational method for the three-dimensional propagation of wave packets in the hydrogen atom driven by a train of short unidirectional electric-field pulses. They argued that their computational scheme is valid for an arbitrary value of the pulse strength. We show, however, that such a scheme leads to both mathematical and physical inconsistences when strong pulses are considered, and, consequently, its validity is limited to the case of weak fields. The generalization to the case of an arbitrary pulse strength is also commented.

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Comment on “Three-dimensional kicked hydrogen atom”

Matos-Abiague

Kouzakov

2003

Phys. Rev. A

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An analytic solution of a two-level nonlinear system driven by a pulse external field

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Comment on “Three-dimensional kicked hydrogen atom”

Comment on “Three-dimensional kicked hydrogen atom”

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