KnowraLamb shiftLinked fromLinked fromThe 21 pages that link to Lamb shift, each with the reason it gives.All 21Broader topic 5Related 13Compared with 3Fine structureCompared with: It is a distinct, smaller correction often compared with fine structure in hydrogen.Rydberg formulaCompared with: This correction shifts real spectral lines beyond the formula’s idealized level predictions.Stark effectCompared with: It shifts levels through vacuum-field effects, not an applied static electric field.