– Linear combination of Slater determinants to capture electron correlation beyond HF.

Atomic and molecular physics | Physics | Research Starters - EBSCO

, explaining quantized orbits and the origin of spectral series like Balmer and Lyman. It transitions into the full quantum mechanical treatment using the Schrödinger Equation , introducing angular momentum and parity. Vector Atom Model : This is a critical focus area, detailing the Stern-Gerlach experiment

: Multiple versions and summaries are available for Rajkumar Atomic Molecular Spectra .