Physical Review Letters · 1963 · 244 citations · 0 references
EngineeringMagnetic ResonanceMagnetic Exchange InteractionsMagnetismMagnetic Topological InsulatorBiquadratic ExchangeMajorana FermionPhysicsQuantum Field TheoryNon-perturbative QcdAntiferromagnetismQuantum MagnetismSpintronicsFermi FunctionMolecule-based MagnetNatural SciencesParticle PhysicsCondensed Matter PhysicsLattice Field TheoryLast Two
Despite our assertion to the contrary, the integral of the last two terms in ( 22) is not zero except at 7" = 0.As a result ( 23) is correct only in this neighborhood and Fig. 1 is wrong.By transforming ( 22) into a sum over the poles of the Fermi function, one obtains