Calculation of the magnetic hyperfine structure constant of alkali metals and alkaline-earth-metal ions using the relativistic coupled-cluster method
| Title | Calculation of the magnetic hyperfine structure constant of alkali metals and alkaline-earth-metal ions using the relativistic coupled-cluster method |
| Publication Type | Journal Article |
| Year of Publication | 2017 |
| Authors | Sasmal, S |
| Journal | Physical Review A |
| Volume | 96 |
| Issue | 1 |
| Pagination | Article Number: 012510 |
| Date Published | JUL |
| Type of Article | Article |
| Abstract | The Z-vector method in the relativistic coupled-cluster framework is used to calculate the magnetic hyperfine structure constant (A(J)) of alkali metals and singly charged alkaline earth metals in their ground state electronic configuration. The Z-vector results are in very good agreement with the experiment. The A(J) values of Li, Na, K, Rb, Cs, Be+, Mg+, Ca+, and Sr+ obtained in the Z-vector method are compared with the extended coupled-cluster results taken from Phys. Rev. A 91, 022512 (2015). The same basis and cutoff are used for the comparison purpose. The comparison shows that the Z-vector method with the single and double approximation can produce a more precise wave function in the nuclear region than the ECC method. |
| DOI | 10.1103/PhysRevA.96.012510 |
| Type of Journal (Indian or Foreign) | Foreign |
| Impact Factor (IF) | 2.765 |
Divison category:
Physical and Materials Chemistry