Spin-Peierls transition to a Haldane phase
Strongly Correlated Electrons
2023-04-28 v1 Materials Science
Abstract
We present an organic compound exhibiting a spin-Peierls (SP) transition to an effective spin-1 antiferromagnetic uniform chain, that is, the Haldane chain. The clear disappearance of magnetization, accompanied by a structural phase transition, is well explained by the deformation to an effective spin-1 Haldane chain. The flexibility of the molecular orbitals in the organic radical compound allows the transformation of the exchange interactions into the Haldane state with different topologies. The SP transition in the present compound demonstrates a mechanism different from that of the conventional systems, paving another path for research in quantum phenomena originating from spin-lattice couplings.
Keywords
Cite
@article{arxiv.2304.13970,
title = {Spin-Peierls transition to a Haldane phase},
author = {Hironori Yamaguchi and Hiroki Takahashi and Takashi Kawakami and Kiyomi Okamoto and Toru Sakai and Takeshi Yajima and Yoshiki Iwasaki},
journal= {arXiv preprint arXiv:2304.13970},
year = {2023}
}
Comments
6 pages, 3 figures