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Interferences in photo-detached electron spectra froma non-collinear tri-atomic anion |
| A. Afaqa, K. Farooqb, M. A. Khanb, Yi Xue-Xi (衣学喜)b |
a Center of Excellence in Solid State Physics, University of the Punjab, Lahore-54590, Pakistan;
b School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China |
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Abstract The electron flux oscillations in photo-detachment of a non-collinear tri-atomic anion have been studied by taking each atom of the system as a coherent source of detached-electron wave. These electron waves traversing along three different trajectories result in a quantum interference. An analytical expression of detached-electron flux is evaluated for various detached-electron energies and for different geometrical shapes of the system. The results show that the electron flux distributions exhibit molecular shape-induced oscillatory structures. These oscillations are explained using the semi-classical closed-orbit theory; the outgoing electron waves produced from one center are propagated in the vicinity of the sources at other centers. It is also observed that in a particular case our non-collinear tri-atomic system reduces to the collinear tri-atomic system recently published.
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Received: 24 February 2014
Revised: 24 May 2014
Accepted manuscript online:
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PACS:
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33.80.-b
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(Photon interactions with molecules)
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32.80.Gc
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(Photodetachment of atomic negative ions)
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32.80.Qk
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(Coherent control of atomic interactions with photons)
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Corresponding Authors:
A. Afaq,K. Farooq
E-mail: aafaq.cssp@pu.edu.pk;farooqdardyal@gmail.com
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| About author: 33.80.-b; 32.80.Gc; 32.80.Qk |
Cite this article:
A. Afaq, K. Farooq, M. A. Khan, Yi Xue-Xi (衣学喜) Interferences in photo-detached electron spectra froma non-collinear tri-atomic anion 2014 Chin. Phys. B 23 103304
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