Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (11): 1829.
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WANG Yi-Xuan1, MI Yun-Jie1, DENG Cong-Hao1, HUANG Hai-Lan2
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Abstract: The convergence patterns of the hyperspherical harmonic expansion for theexcited 3Sstates of the helium atom have been studied with the correlation function-hyperspherlcal harmonic-generalized Laguerre function method(CFHHGLF).The convergenteigenenergies at l=0, 1, 2 agree well with the s-limits, sp-limits and spd-limits of the configurationinteraction (CI) method.With only 44 hyperspherical harmonics, the eigenenergies of the 23S,33Sand 43Sstates are the same as those from the exact Hylleraas variational method.
Key words: Hyperspherical harmonic, Radial correlation, Angular correlation, 3S states of the helium atom
CLC Number:
O641.12
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WANG Yi-Xuan, MI Yun-Jie, DENG Cong-Hao, HUANG Hai-Lan. On Convergence Patterns of the Hyperspherical Harmonic Expansion for the Excited 3S Helium Atom[J]. Chem. J. Chinese Universities, 1997, 18(11): 1829.
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http://www.cjcu.jlu.edu.cn/EN/Y1997/V18/I11/1829
