Experimental realization of a 2D fractional quantum spin liquid

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dc.creatorColdea, R.
dc.creatorTennant, D. A.
dc.creatorTsvelik, A. M.
dc.creatorTylczynski, Z.
dc.date2000-07-11
dc.date2001-01-04
dc.date.accessioned2026-07-07T02:38:10Z
dc.date.available2026-07-07T02:38:10Z
dc.descriptionThe ground-state ordering and dynamics of the two-dimensional (2D) S=1/2 frustrated Heisenberg antiferromagnet Cs_2CuCl_4 is explored using neutron scattering in high magnetic fields. We find that the dynamic correlations show a highly dispersive continuum of excited states, characteristic of the RVB state, arising from pairs of S=1/2 spinons. Quantum renormalization factors for the excitation energies (1.65) and incommensuration (0.56) are large.
dc.description4 pages revtex, 3 ps figures, new data added to fig. 1f, includes referees' comments
dc.identifierhttps://arxiv.org/abs/cond-mat/0007172
dc.identifierhttp://arxiv.org/abs/cond-mat/0007172
dc.identifierPhys. Rev. Lett. 86, 1335 (2001)
dc.identifierdoi:10.1103/PhysRevLett.86.1335
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16573
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleExperimental realization of a 2D fractional quantum spin liquid
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