KnowraFine structureLinked fromLinked fromThe 23 pages that link to Fine structure, each with the reason it gives.All 23Broader topic 3Related 16Compared with 4Lamb shiftCompared with: The Lamb shift is distinct: it arises from radiative corrections beyond the Dirac spectrum.Hyperfine structureCompared with: It is the larger, electronic counterpart that hyperfine structure further divides.Rydberg formulaCompared with: The basic formula groups levels that finer measurements show are split.Stark effectCompared with: It splits levels even without an externally applied electric field.