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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 5, Iss. 11 — Nov. 10, 2007
  • pp: 621–623

Application of coupled equation method on resonance processes of atomic lithium

Zengke Fang and Xiaoguang Ma  »View Author Affiliations

Chinese Optics Letters, Vol. 5, Issue 11, pp. 621-623 (2007)

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The coupled equation method (CEM) has been applied to investigating the resonance structures for the ground state 1s2 2s 2S of the neutral lithium from the first threshold up to 64.5 eV. Resonance structures of atomic lithium due to single excitations of the 1s and 2s electrons are studied by infinite-order calculations in detail. The effect of spin-orbit splitting is also included for some of the low-lying 1s 2s np resonance, and the influence of the interference between 1s 2s 3S np and 1s 2s 1S np states on the resonance structure has been confirmed theoretically. The results show that the presented technique can give the reasonable resonance structures very well in photoionization processes.

© 2007 Chinese Optics Letters

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.2070) Atomic and molecular physics : Effects of collisions
(020.4900) Atomic and molecular physics : Oscillator strengths

Zengke Fang and Xiaoguang Ma, "Application of coupled equation method on resonance processes of atomic lithium," Chin. Opt. Lett. 5, 621-623 (2007)

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