Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms

doi:10.1088/1674-1056/28/6/063202

中国物理B ›› 2019, Vol. 28 ›› Issue (6): 63202-063202.doi: 10.1088/1674-1056/28/6/063202

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇下一篇

Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms

N Lamoudi, F Talbi, M T Bouazza, M Bouledroua, K Alioua

1 Badji Mokhtar University, B. P. 12 Annaba, Algeria;
2 Laboratoire LESIMS;
3 Laboratoire de Physique des Rayonnements;
4 Laboratoire LAMA;
5 Souk-Ahras University, Souk-Ahras 41000, Algeria

收稿日期:2019-03-10 修回日期:2019-04-18 出版日期:2019-06-05 发布日期:2019-06-05
通讯作者: N Lamoudi E-mail:noralamoudi@yahoo.fr

Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms

N Lamoudi^1,2, F Talbi^1,3, M T Bouazza^1,4, M Bouledroua^1,3, K Alioua^5,3

1 Badji Mokhtar University, B. P. 12 Annaba, Algeria;
2 Laboratoire LESIMS;
3 Laboratoire de Physique des Rayonnements;
4 Laboratoire LAMA;
5 Souk-Ahras University, Souk-Ahras 41000, Algeria

Received:2019-03-10 Revised:2019-04-18 Online:2019-06-05 Published:2019-06-05
Contact: N Lamoudi E-mail:noralamoudi@yahoo.fr

摘要/Abstract

摘要：

The pressure broadening in the far wings, where the sodium Na (3p←3s) resonance line is perturbed by ground lithium Li (2s) atoms, has been theoretically analyzed. The NaLi potential-energy curves and the transition dipole moments are constructed by using a reliable ab initio data points to carry out the reduced-absorption coefficients k_r(ν,T). This quantum-mechanical investigation have demonstrated that the NaLi profile spectra show a satellite future in the red wing at wavelength λ=685 nm in the temperature range 4000 K-1.8×10⁴ K. The computation could also exhibit a second satellite, in the blue wing, near the wavelength λ=574 nm beyond 6000 K and a third peak located at λ=490 nm which begins to appear at 1.8×10⁴ K.

关键词: pressure broadening, absorption coefficient, satellite structure, radiative lifetime

Abstract:

Key words: pressure broadening, absorption coefficient, satellite structure, radiative lifetime

中图分类号: (Photoionization and excitation)

32.80.-t

31.50.Bc (Potential energy surfaces for ground electronic states) 31.50.Df (Potential energy surfaces for excited electronic states) 32.70.Jz (Line shapes, widths, and shifts)

N Lamoudi, F Talbi, M T Bouazza, M Bouledroua, K Alioua. Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms[J]. 中国物理B, 2019, 28(6): 63202-063202.

N Lamoudi, F Talbi, M T Bouazza, M Bouledroua, K Alioua. Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms[J]. Chin. Phys. B, 2019, 28(6): 63202-063202.

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Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms

Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms

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