Yoshimi et al. [arXiv:1110.3573] have attempted to explain the pressure(P)-dependent behavior of Fabre salts which exhibit charge order (CO), antiferromagnetic (AFM), and spin-Peierls (SP) phases. Experiments find two AFM phases, AFM1 at large P and AFM2 at small P. Yoshimi et al. suggest that there also exist two distinct zero-temperature SP phases, SP1 and SP2. Here we point out that the occurrence of two distinct SP phases contradicts experiments, and is found because of unrealistic model parameters.
@article{arxiv.1403.0120,
title = {Comment on "Tuning the Magnetic Dimensionality by Charge Ordering in the Molecular TMTTF Salts"},
author = {A. B. Ward and R. T. Clay and S. Mazumdar},
journal= {arXiv preprint arXiv:1403.0120},
year = {2014}
}
Comments
1 page, 1 figure; Comment on Phys. Rev. Lett. 108, 096402 (2012), arXiv:1110.3573