期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 34, 期 8, 页码 1425-1442出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/34/8/308
关键词
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Energies of S and P bound states of the helium atom He, the hydrogen ion H-, the hydrogen molecular ion H-2(+) and the muonic molecule dt mu are calculated with the Lagrange-mesh numerical method. Interparticle distances and mass radii of these states are evaluated very simply with the Gauss quadrature approximation associated with the mesh. Except for weakly bound states, highly accurate values are obtained, which agree with or improve published results.
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