"Closed Orbit Bifurcations in Continuum Stark Spectra" by Michael Courtney, Hong Jiao et al.
 

Document Type

Article

Department/Program

Physics

Journal Title

Physical Review Letters

Pub Date

2-1995

Publisher

American Physical Society

Volume

74

Issue

9

First Page

1538

Abstract

We report an experimental and theoretical study of the effect of bifurcations of closed classical orbits in continuum Stark spectra. Our findings provide a natural way to understand how the spectrum evolves from a simple sinusoidal modulation at positive energy to a quasidiscrete spectrum below the classical ionization limit. The experiment employs scaled-energy spectroscopy of lithium. The results provide the first experimental confirmation of a formulation of closed-orbit theory that provides a quantitative description of the behavior of the spectrum at a bifurcation.

DOI

https://doi.org/10.1103/PhysRevLett.74.1538

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