Field-induced incommensurate phase in the strong-rung spin ladder with ferromagnetic legs
Strongly Correlated Electrons
2014-06-10 v1
Abstract
We report magnetization, specific heat, and NMR measurements of 3-Br-4-F-V [=3-(3-bromo-4-fluorophenyl)-1,5-diphenylverdazyl], a strong-rung S=1/2 Heisenberg spin ladder with ferromagnetic leg interactions. We explain the magnetic and thermodynamic properties based on the strong-rung regime. Furthermore, we find a field-induced successive phase transition in the specific heat and the nuclear spin-lattice relaxation rate 1/T1. 19F-NMR spectra for higher- and lower-temperature phases indicate partial magnetic order and incommensurate long-range order, respectively, evidencing the presence of frustration due to weak interladder couplings.
Keywords
Cite
@article{arxiv.1406.2231,
title = {Field-induced incommensurate phase in the strong-rung spin ladder with ferromagnetic legs},
author = {H. Yamaguchi and H. Miyagai and M. Yoshida and M. Takigawa and K. Iwase and T. Ono and N. Kase and K. Araki and S. Kittaka and T. Sakakibara and T. Shimokawa and T. Okubo and K. Okunishi and A. Matsuo and Y. Hosokoshi},
journal= {arXiv preprint arXiv:1406.2231},
year = {2014}
}
Comments
12 pages, 3 figures