EntityQ634781· pop 8· linked from 102 articlestopological quantum numberSign in to savephysical quantities that take discrete values because of topological quantum physical effectsConnectionsdislocationEntityphysicsEntityMax PlanckEntityInternational Standard Book NumberEntitygermaniumEntitytopologyEntitydifferential equationEntitydigital object identifierEntityparticle physicsEntityfermionEntityquantum field theoryEntityDuncan HaldaneEntitybibcodeEntityphase changeEntityQ118398Entitycondensed matter physicsEntitysolid-state physicsEntityHall effectEntitymagnetic monopoleEntityvortexEntityCategoriesExactly solvable modelsQuantum field theorySolitons