NDLI: Semiclassical calculation of ionization rate for Rydberg hydrogen atoms near a metal surface

Content Provider	Springer Nature Link
Author	Wang, Dehua Huang, Kaiyun Lin, Shenglu
Copyright Year	2009
Abstract	The ionization of Rydberg hydrogen atoms near a metal surface at different scaled energies above the classical saddle point energy has been discussed by using the semiclassical method. The results show that the atoms ionize by emitting a train of electron pulses. In order to reveal the chaotic and escape dynamical properties of this system in detail, the sensitive dependence of the ionization rate upon the scaled energy is discussed. As the scaled energy is close to the saddle point energy, the ionization process of the hydrogen atom is nearly the same as the case of hydrogen atom in an electric field. There is only a single pulse of electrons, with an exponentially decaying tail. With the increase of the scaled energy, the ionization rates are similar to the case of the hydrogen atom in parallel electric and magnetic field, a series of electron pulses appear in the ionization process. This is caused by classical chaos, which occurs for the metal surface. Our studies also suggest that the metal surface can play the role of both the electric and the magnetic fields. Our theoretical analysis will be useful for guiding experimental studies of the ionization of atoms near the metal surface.
Starting Page	699
Ending Page	706
Page Count	8
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	54
Issue Number	3
e-ISSN	14346079
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-07-09
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Solid State Physics and Spectroscopy Complexity Quantum Computing, Information and Physics Quantum Physics Nanotechnology Atoms, Molecules, Clusters and Plasmas
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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