A study of the bifurcation effect of closed orbits on the recurrence spectra of Li Rydberg atoms in an external electric field | Zendy

Xiaohong Song | Zendy; Lin Sheng-Lu | Zendy

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A study of the bifurcation effect of closed orbits on the recurrence spectra of Li Rydberg atoms in an external electric field

Author(s) -

Xiaohong Song,

Lin Sheng-Lu

Publication year - 2003

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.52.1611

Subject(s) - semiclassical physics , rydberg formula , physics , rydberg atom , spectral line , electric field , atomic physics , scattering , bifurcation , orbit (dynamics) , constant (computer programming) , field (mathematics) , core (optical fiber) , quantum mechanics , optics , ionization , nonlinear system , mathematics , quantum , aerospace engineering , computer science , pure mathematics , engineering , ion , programming language

The semiclassical closed-orbit theory begins to fail when the returning wave bec omes infinite near the core, and this is the typical situation when bifurcations of closed-orbits occur- We describe the phenomena of bifurcations and calculate the recurrence spectra of Li Rydberg atoms in the vicinity of the bifurcation e nergy using the uniform approximation method- The spectra with a constant energy ε=-2-94, and a constant scaled electric field 135-86-1/4<160 -11 are recorded and the effect of the core-scattering is taken into account- T he recurrence spectra are compared with those obtained by the primary extended c losed-orbit theory and those of hydrogen atoms- The results display the importan t contributions of bifurcations and core-scattering to the recurrence spectra of Li Rydberg atoms-

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