Resonances of a hydrogen atom in strong parallel electric and magnetic fields using B-spline basis sets
Zhang Yue-Xia(张月霞)a)b), Meng Hui-Yan(孟慧艳)a)c), and Shi Ting-Yun(史庭云)a)†
aState Key of Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China; bGraduate School of the Chinese Academy of Sciences, Beijing 100080, China; cDepartment of Modern Physics, University of Science and Technology of China, Hefei 230026, China
Abstract The B-spline basis set plus complex scaling method is applied to the numerical calculation of the exact resonance parameters $E_r$ and $\varGamma/2$ of a hydrogen atom in parallel electric and magnetic fields. The method can calculate the ground and higher excited resonances accurately and efficiently. The resonance parameters with accuracies of $10^{-9}-10^{-12}$ for hydrogen atom in parallel fields with different field strengths and symmetries are presented and compared with previous ones. Extension to the calculation of Rydberg atom in crossed electric and magnetic fields and of atomic double excited states in external electric fields is discussed.
Accepted manuscript online:
PACS:
31.15.-p
(Calculations and mathematical techniques in atomic and molecular physics)
Fund: Project supported by the National
Natural Science Foundation of China (Grant No
10674154).
Cite this article:
Zhang Yue-Xia(张月霞), Meng Hui-Yan(孟慧艳), and Shi Ting-Yun(史庭云) Resonances of a hydrogen atom in strong parallel electric and magnetic fields using B-spline basis sets 2008 Chin. Phys. B 17 140
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