KnowraFine structureLinked fromLinked fromThe 23 pages that link to Fine structure, each with the reason it gives.All 23Broader topic 3Related 16Compared with 4Hydrogen atomBroader topic: It refines hydrogen’s basic energy levels beyond the nonrelativistic model.Fine-structure constantBroader topic: The constant sets the size of these corrections relative to gross atomic energies.Atomic energy levelBroader topic: It resolves a level into nearby energies that simpler models treat as degenerate.