Comments on "Dimerization Induced by the RKKY Interaction"
classification
❄️ cond-mat.str-el
keywords
algebraicallyamidstbulkchargeclaimedcommentcommentscorrelation
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Recently, Xavier et al. claimed the existence of an insulating spin dimer state in the one-dimensional Kondo lattice model at quarter-filling amidst the paramagnetic metallic phase. In this comment we show that the dimer-dimer correlation decays algebraically at long distances and the charge gap vanishes in the bulk limit.
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