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Binding properties of some alkali metal vapors: specifically lithium-7 (7Li), soduim-23 (23Na), and potassium-39 (39K).
- Source :
-
Canadian Journal of Physics . 2024, Vol. 102 Issue 3, p175-185. 11p. - Publication Year :
- 2024
-
Abstract
- In this work, the binding energy of three alkali metal molecules, namely, lithium-7 (7Li2), sodium-23 (23Na2), and potassium-39 (39K2), is calculated in both free space and the vapor phase. In free space, the Lippmann–Schwinger equation is solved for negative-definite eigenenergies using a highly effective matrix-inversion method with a symmetrized kernel. In the vapor, two medium effects are taken into account: the effective atomic mass, which is somewhat larger than the "bare" mass and therefore enhances the binding; and the effective binary interaction, with less overall attraction than the "bare" interaction. In free space, the binding energies of the respective molecules are, in units of (103 K), 5.304, 2.936, and 2.522. The corresponding experimental results are 6.150 × 103, 4.275 ×103, and 4.275 × 103 K. The results in the vapor phase are by and large somewhat lower than those in free space. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00084204
- Volume :
- 102
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Canadian Journal of Physics
- Publication Type :
- Academic Journal
- Accession number :
- 175823006
- Full Text :
- https://doi.org/10.1139/cjp-2023-0136