# Atomic Physics

Canonical: https://manyspace.aporia.systems/subjects/physics/atomic-physics-71
Updated: 2026-10-13

Atomic Physics: about 52 hours. Each topic lists what you need first and what it unlocks.

## Structure & Spectra

- [Hydrogen Fine Structure](https://manyspace.aporia.systems/topics/hydrogen-fine-structure-phy-atomic-124)
- [Multi-Electron Atoms](https://manyspace.aporia.systems/topics/multi-electron-atoms-phy-atomic-125)
- [Angular Momentum Coupling](https://manyspace.aporia.systems/topics/angular-momentum-coupling-phy-atomic-126)
- [Hyperfine Structure](https://manyspace.aporia.systems/topics/hyperfine-structure-phy-atomic-127)

## Interactions & Applications

- [Zeeman & Stark Effects](https://manyspace.aporia.systems/topics/zeeman-stark-effects-phy-atomic-128)
- [X-Ray Spectra & Transitions](https://manyspace.aporia.systems/topics/x-ray-spectra-transitions-phy-atomic-129)
- [Lasers & Coherent Light](https://manyspace.aporia.systems/topics/lasers-coherent-light-phy-atomic-130)
- [Precision Spectroscopy & Clocks](https://manyspace.aporia.systems/topics/precision-spectroscopy-clocks-phy-atomic-131)