This phenomenon results in a 2J+1 degeneracy, and depending on the mass of the atom, consists of either J-J coupling, or Russell-Saunders coupling between the quantum numbers L and S.
A parameter used to calculate the strength of this interaction is represented by the letter zeta, and typically has units of cm-1. Intersystem crossing is more likely in heavy atoms because of the greater strength of this interaction. The term in the Hamiltonian representing this phenomenon contains a term proportional to Z effective over radius cubed. This non-vibrational interaction allows in the appearance of weak bands that correspond to (*) spin-forbidden transitions. A factor of Â½ appears in the Hamiltonian for this phenomenon due to Thomas precession. This phenomenon is responsible for the splitting of the sodium D line. The fine structure corrections consist of terms for relativity, the Darwin term, and this interaction. This phenomenon results in a 2J+1 degeneracy, and depending on the mass of the atom, consists of either J-J coupling, or Russell-Saunders coupling between the quantum numbers L and S. For 10 points, name this phenomenon in which electrons interact with their motion around the nucleus.
A parameter used to calculate the strength of this interaction is represented by the letter zeta, and typically has units of cm-1.
spin-orbit coupling [or spin-orbit interaction] 