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Comment on "Competition between helimagnetism and commensurate quantum spin correlations in LiCu2O2"

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arxiv cond-mat/0411418 v1 pith:E6FDMMB4 submitted 2004-11-16 cond-mat.str-el

Comment on "Competition between helimagnetism and commensurate quantum spin correlations in LiCu2O2"

S.-L. Drechsler , J. Malek , J. Richter , A.S. Moskvin , A.A. Gippius , H. Rosner This is my paper
classification cond-mat.str-el
keywords antiferromagneticfrustratedlicu2o2nearestneighborphysscenarioadopted
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The microscopic origin of the recently observed helical structure in LiCu2O2 [1] is considered. It is shown that the frustrated antiferromagnetic double chain scenario adopted in Ref.1 is unrealistic. It should be replaced by a frustrated single-chain (CuO2) scenario proposed in Ref. 2 with ferromagnetic nearest neighbor and antiferromagnetic next nearest neighbor exchange integrals \. [1] T. Masuda et al. Phys. Rev. Lett. 92 (2004), 177201. [2] A. Gippius et al. Phys. Rev. B 70 (2004), R01426; cond-mat/0312576.

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