| 稠密、冷铝等离子体的辐射不透明度研究 |
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| 引用本文： | 曾交龙,靳奉涛,袁建民. 稠密、冷铝等离子体的辐射不透明度研究[J]. 原子核物理评论, 2002, 19(2): 184-187. DOI: 10.11804/NuclPhysRev.19.02.184 |
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| 作者姓名： | 曾交龙 靳奉涛 袁建民 |
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| 作者单位： | 国防科技大学理学院应用物理系; |
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| 基金项目： | 国家自然科学基金资助项目(19974075); 国家自然科学杰出青年基金资助项目(1002516); 中国国家高技术ICF委员会资助项目 |
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| 摘 要： | 使用细致谱项模型、联合组态相互作用方法和R 矩阵方法计算了处于局域热动平衡条件下的稠密、冷铝等离子体的辐射不透明度 .组态相互作用方法用于获得束缚 束缚吸收截面所需要的偶极跃迁振子强度 ,R矩阵方法用于获得光电离截面 .对于温度在 6— 12eV、密度为 0 .36mg/cm3 的铝等离子体 ,计算得到的吸收系数在波长为 0 .35 1,0 .5 2 7和 1.0 5 4 μm处与实验结果符合较好 ,而温度在 3— 6eV时 ,理论计算比实验结果大. The radiative opacity has been investigated by using detailed term accounting approximation for dense, cold aluminum plasmas under local thermodynamic equilibrium. The configuration interaction scheme has been used to obtain the relevant atomic parameters for bound-bound absorption, such as excitation energies and oscillator strengths. R-matrix method has been used to obtain the photoionization cross sections. For aluminum plasmas of density 0.36 mg/cm 3, temperature of 6-12 eV, the...
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| 关 键 词： | 铝等离子体 辐射不透明度 细致谱项模型 |
| 文章编号： | 1007-4627(2002)02-0184-04 |
| 收稿时间： | 1900-01-01 |
| 修稿时间： | 2002-03-13 |
Radiative Opacity of Dense, Cold Aluminum Plasmas |
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| ZENG Jiao-long,JIN Feng-tao,YUAN Jian-min. Radiative Opacity of Dense, Cold Aluminum Plasmas[J]. Nuclear Physics Review, 2002, 19(2): 184-187. DOI: 10.11804/NuclPhysRev.19.02.184 |
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| Authors: | ZENG Jiao-long JIN Feng-tao YUAN Jian-min |
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| Affiliation: | Applied Physics Department; Institute of Science; National University of Defense Technology; Changsha 410073; China |
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| Abstract: | The radiative opacity has been investigated by using detailed term accounting approximation for dense, cold aluminum plasmas under local thermodynamic equilibrium. The configuration interaction scheme has been used to obtain the relevant atomic parameters for bound-bound absorption, such as excitation energies and oscillator strengths. R-matrix method has been used to obtain the photoionization cross sections. For aluminum plasmas of density 0.36 mg/cm 3, temperature of 6-12 eV, the... |
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