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Recurrence Spectra of the Rydberg Hydrogen Atom near Two Parallel Metal Surfaces |
| WANG De-Hua |
| College of Physics and Electronic Engineering, Ludong University, Yantai 264025 |
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| Cite this article: |
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WANG De-Hua 2006 Chin. Phys. Lett. 23 2745-2748 |
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Abstract Using closed orbit theory, we study the influence of the two parallel metal surfaces on the recurrence spectra of a hydrogen atom placed in the region between the two surfaces. The results show that the metal surfaces have significant effect on the photoabsorption process. Each resonance peak in the recurrence spectra is associated with one electronic closed orbit. In our work, we put the first metal surface at the critical value dc and vary the second metal surface. The results show that when the distances between the hydrogen atom and the two metal surfaces are close to the critical value dc, the number of the closed orbits is the greatest and there are more peaks in the recurrence spectra. When the distance between the atom and the second metal surface is larger or smaller than dc, the number of the closed orbits decreases and there are fewer peaks in the recurrence spectra. The agreement between the semiclassical alculation spectra and the quantum calculation spectra suggests that our analysis is correct.
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| Keywords:
34.50.Dy
03.65.Sq
05.45.Mt
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Published: 01 October 2006
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