Orbital-Exchange and Fractional Quantum Number Excitations in an f-electron Metal Yb${}_2$Pt${}_2$Pb

L. S. Wu, W. J. Gannon, I. A. Zaliznyak +9

Exotic quantum states and fractionalized magnetic excitations, such as spinons in one-dimensional chains, are generally viewed as belonging to the domain of 3d transition metal sys…