EntityQ574581· pop 5· linked from 14 articlesHolstein–Herring methodSign in to saveeffective means of getting the exchange energy splittings of asymptotically degenerate energy states in molecular systemsConnectionsJournal of Chemical PhysicsEntitydigital object identifierEntitycovalent bondEntitySchrödinger equationEntityQ180686EntityPauli exclusion principleEntityquantum chemistryEntitybibcodeEntityquantum tunnelingEntityQ22908627Entitydivergence theoremEntitysurface integralEntityidentical particleEntitypath integralEntityPhysical ReviewEntityLambert W functionEntitywithout loss of generalityEntitySidney ColemanEntityPhysical Review LettersEntityexchange interaction of particlesEntityCategoriesQuantum chemistry