Quantum Orders and Spin Liquids in Cs$_2$CuCl$_4$

dc.creatorZhou, Yi
dc.creatorWen, Xiao-Gang
dc.date2002-10-30
dc.date2003-06-29
dc.date.accessioned2026-07-07T02:47:58Z
dc.date.available2026-07-07T02:47:58Z
dc.descriptionMotivated by experiments on Cs$_2$CuCl$_4$ samples, we studied and classified the symmetric spin liquids on triangular lattice. We identified 63 $Z_2$ spin liquids, 30 U(1) spin liquids and 2 SU(2) spin liquids. All those spin liquids have the same symmetry but different quantum orders. We calculated the spin spectral functions in some simple spin liquids and compared them to the one measured by experiments on Cs$_2$CuCl$_4$. We find that the $U1Cτ_{+}^0τ_{-}^0τ^1$ spin liquid or one of its relatives is consistent with observed properties of the spin liquid state in Cs$_2$CuCl$_4$. We discussed the fine distinctions among those possible spin liquids and the spin liquids proposed using slave-fermion approach, so that future experiments can determine which spin liquids actually describe the spin state in Cs$_2$CuCl$_4$.
dc.description18 pages, 13 figures, RevTex4, more materials about quantum orders to be found in http://dao.mit.edu/~wen
dc.identifierhttps://arxiv.org/abs/cond-mat/0210662
dc.identifierhttp://arxiv.org/abs/cond-mat/0210662
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20219
dc.subjectStrongly Correlated Electrons
dc.titleQuantum Orders and Spin Liquids in Cs$_2$CuCl$_4$
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