Multiconfiguration Hartree-Fock calculation of magnetic quadrupole transitions of Be isoelectronic sequence

Details Multiconfiguration Hartree-Fock calculation of magnetic quadrupole transitions of Be isoelectronic sequence Multiconfiguration Hartree-Fock calculation of magnetic quadrupole transitions of Be isoelectronic sequence

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...219.1093l&link_type=abstract

Astrophysical Journal, Part 1, vol. 219, Feb. 1, 1978, p. 1093-1095. ERDA-supported research.

Astronomy and Astrophysics

Astrophysics

7

Atomic Excitations, Beryllium, Hartree Approximation, Isoelectronic Sequence, Magnetic Resonance, Transition Probabilities, Plasma Diagnostics, Quadrupoles, Radiative Transfer, Relativistic Effects

Scientific paper

Wave functions for the beryllium sequence are obtained from both relativistic and nonrelativistic multiconfiguration Hartree-Fock calculations. A relation established by Garstang (1967) between the M2 transition rate and the E1 oscillator strength is considered. This relation holds true in the single-configuration approximation for both initial and final states. An investigation is conducted concerning the validity of Garstang's relation for the multiconfiguration case using nonrelativistic states and operators. The M2 rates of fully self-consistent calculations are compared with those obtained by Lin et al. (1977) who employed a model potential. The rates obtained by using experimental energies are seen to be in close agreement with the model potential results (which also used experimental energies).

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