Comment on 'Photodetachment of H{sup -} in a static electric field near an elastic wall'

Journal Article · Sun Jul 15 00:00:00 EDT 2007 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.76.017401· OSTI ID:21011348

Zhao, H J; Du, M L ^[1]

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1. Institute of Theoretical Physics, Chinese Academy of Sciences, P.O. Box 2735, Beijing 100080 (China)

In a recent theoretical study on the photodetachment cross section of H{sup -} in a static electric field near an elastic wall, Yang et al. found significant difference between the result of closed-orbit theory and a quantum approach [Phys. Rev. A 73, 043413 (2006)]. They attributed the difference to the semiclassical approximations in closed-orbit theory. We have examined the application of closed-orbit theory to the same problem and found the disagreement is caused by the incorrectly assigned phases and amplitudes associated with closed-orbits. After the phases and amplitudes are corrected, the closed-orbit theory is shown to be in excellent agreement with the quantum result.

• OSTI ID: 21011348
• Journal Information: Physical Review. A, Vol. 76, Issue 1; Other Information: DOI: 10.1103/PhysRevA.76.017401; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
AMPLITUDES
ATOMS
CROSS SECTIONS
ELASTIC SCATTERING
ELECTRIC FIELDS
ELECTRON DETACHMENT
HYDROGEN
HYDROGEN IONS 1 MINUS
ORBITS
PHOTON-ATOM COLLISIONS
QUANTUM MECHANICS
SEMICLASSICAL APPROXIMATION