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Chin. Phys. B, 2011, Vol. 20(5): 053101    DOI: 10.1088/1674-1056/20/5/053101
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

High accuracy calculation of the hydrogen negative ion in strong magnetic fields

Zhao Ji-Jun, Wang Xiao-Feng, Qiao Hao-Xue
Department of Physics, Wuhan University, Wuhan 430072, China
Abstract  Using a full configuration-interaction method with Hylleraas-Gaussian basis function, this paper investigates the 110+, 11(–1)+ and 11(–2)+ states of the hydrogen negative ion in strong magnetic fields. The total energies, electron detachment energies and derivatives of the total energy with respect to the magnetic field are presented as functions of magnetic field over a wide range of field strengths. Compared with the available theoretical data, the accuracy for the energies is enhanced significantly. The field regimes 3 < γ < 4 and 0.02 < γ < 0.05, in which the 11(–1)+ and 11(–2)+ states start to become bound, respectively, are also determined based on the calculated electron detachment energies.
Keywords:  electron detachment energy      hydrogen negative ion      total energy      strong magnetic field     
Received:  14 September 2010      Published:  15 May 2011
PACS:  31.10.+z (Theory of electronic structure, electronic transitions, and chemical binding)  
  31.15.-p (Calculations and mathematical techniques in atomic and molecular physics)  
  31.15.ac (High-precision calculations for few-electron (or few-body) atomic systems)  
  31.15.V- (Electron correlation calculations for atoms, ions and molecules)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10874133).

Cite this article: 

Zhao Ji-Jun, Wang Xiao-Feng, Qiao Hao-Xue High accuracy calculation of the hydrogen negative ion in strong magnetic fields 2011 Chin. Phys. B 20 053101

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