Comment on "Competition between helimagnetism and commensurate quantum spin correlations in LiCu2O2" - Replyстатья
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Аннотация:In our original work [1], we reported the observation of an incommensurate ordered state in the frustrated quasi-one-dimensional antiferromagnet LiCu2O2. The Comment by Drechsler et al. [2] challenges our conclusions regarding the hierarchy of relevant exchange interactions in the system and the microscopic origin of frustration. In Ref. [1] we postulated a simple model that seemed to explain the available data with only two antiferromagnetic (AF) exchange constants J1 > J2 > 0 (see inset in Fig. 1). Drechsler et al. point out that structural arguments and local density approximation (LDA) calculations [3] favor a totally different picture [4]: J4 > J2 > 0 and J1 ~ 0.