Ground state and excitation properties of the quantum kagomé system ZnCu$_{3}$(OH)$_{6}$Cl$_{2}$ investigated by local probes

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dc.creatorOfer, Oren
dc.creatorKeren, Amit
dc.creatorNytko, Emily A.
dc.creatorShores, Matthew P.
dc.creatorBartlett, Bart M.
dc.creatorNocera, Daniel G.
dc.creatorBaines, Chris
dc.creatorAmato, Alex
dc.date2006-10-19
dc.date2006-12-28
dc.date.accessioned2026-07-07T07:37:19Z
dc.date.available2026-07-07T07:37:19Z
dc.descriptionWe 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: magnetization, muon spin rotation frequency shift $K$, transverse relaxation time $T_{2}^{\ast}$, and zero field relaxation, and Cl nuclear spin-lattice relaxation $T_{1}$. We found no sign of singlet formation, no long range order or spin freezing, and no sign of spin-Peierls transition even at temperatures as low as 60 mK. The density of states has $E^{1/4}$ energy dependence with a negligible gap to excitation.
dc.description5 pages, 5 figures, LaTex; corrected typos
dc.identifierhttps://arxiv.org/abs/cond-mat/0610540
dc.identifierhttp://arxiv.org/abs/cond-mat/0610540
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/120733
dc.subjectStrongly Correlated Electrons
dc.titleGround state and excitation properties of the quantum kagomé system ZnCu$_{3}$(OH)$_{6}$Cl$_{2}$ investigated by local probes
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