Ground state and excitation properties of the quantum kagomé system ZnCu${}_3$(OH)${}_6$Cl${}_2$ investigated by local probes

Oren Ofer, Amit Keren, Emily A. Nytko +5

We characterize the ground state and excitation spectrum of the $S=1/2$, nominally pure and perfect kagomé system ZnCu${}_3$(OH)${}_6$Cl${}_2$ using the following measurements: mag…