| 计算jn 组态总角动量J 允许值的递推方法 |
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| 引用本文： | 陈健华.计算jn 组态总角动量J 允许值的递推方法[J].国防科技大学学报,1989,11(2):55-60. |
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| 作者姓名： | 陈健华 |
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| 作者单位： | 国防科技大学应用物理系 |
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| 摘 要： | 计算j~n组态总角动量J的允许值通常采用列举法,对j,n大的组态计算十分繁琐。本文提出计算j~n组态J的允许值的递推方法,使计算大为简化。在VAX-11/730机上完成J=1/2～15/2分类的CPU时间,用本文方法为3秒,用列举法1]为1分50秒。列出了j=1/2～15/2分类结果,并发现文献2]表6有三处差错。
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| 关 键 词： | 原子物理 核物理 角动量 递推公式 j~n组态 |
| 收稿时间： | 1987/10/5 0:00:00 |
A Recurrence Method for Calculating the Permitted J Terms of jn Configuration |
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| Chen Jianhua.A Recurrence Method for Calculating the Permitted J Terms of jn Configuration[J].Journal of National University of Defense Technology,1989,11(2):55-60. |
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| Authors: | Chen Jianhua |
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| Institution: | Chen Jianhua |
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| Abstract: | The enumeration method is usually used to calculate the permitted J termsof j~n configuration, but it becomes too complex to be used when the values ofj, n become large enough. In this paper, a recurrence method instead of theconventional one is suggsted, thus greatly simplifying the calculation. Forexample, using this method it takes only 3 seconds of CPU time of the VAX-11/730 Computer to finish the classification of j=1/2~15/2, Whereas about290 seconds arc needed if the enumeration method is used. The classificationresults of j=1/2~15/2 have been listed in a table, and it is pointed out thatthere are 3 errors in the table of res. 2]. |
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| Keywords: | atomic physics nuclear physics angular momentum recursion formula j~n configuration |
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