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

• Published in: Chinese physics B Vol. 20; no. 5; pp. 222 - 226
• Main Author: 赵继军 王晓峰 乔豪学
• Format: Journal Article
• Language: English
• Published: IOP Publishing 01.05.2011
• Subjects: Basis functions; Derivatives; Detachment; Field strength; Magnetic fields; Mathematical analysis; 交互方法; 基础; 强磁场; 总能量; 氢负离子; 理论数据; 电子; 精度计算
• ISSN: 1674-1056; 2058-3834
• DOI: 10.1088/1674-1056/20/5/053101

Using a full configuration-interaction method with Hylleraas-Gaussian basis function, this paper investigates the 1^10^＋, 1^1（-1）^＋ and 1^1（-2）6＋ 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 1^1（-1）6＋ and 1^1（-2）^＋ states start to become bound, respectively, are also determined based on the calculated electron detachment energies.