{ "id": "1905.11487", "version": "v1", "published": "2019-05-27T20:26:29.000Z", "updated": "2019-05-27T20:26:29.000Z", "title": "Spin-glass-like ordering in a frustrated $J_1-J_2$ Ising antiferromagnet on a honeycomb lattice", "authors": [ "M. Žukovič", "M. Borovský", "A. Bobák", "T. Balcerzak", "K. Szałowski" ], "comment": "CSMAG conference contribution, 6 pages, 3 figures", "categories": [ "cond-mat.stat-mech" ], "abstract": "We study the nature of a low-temperature phase in the frustrated honeycomb-lattice Ising model with first- and second-neighbor antiferromagnetic (AF) interactions, $J_1$ and $J_2$, respectively, for $R = J_2/J_1 > 1/4$. It is known that for $R < 1/4$ there is a phase transition at low temperatures to the AF phase. Nevertheless, little is known about the critical behavior of the model for $R > 1/4$, except for recent effective field results which detected no phase transition down to zero temperature. Our Monte Carlo results suggest that for $R > 1/4$ there is at least one peculiar phase transition accompanied by a spin-glass-like freezing to a highly degenerate state consisting of frozen domains with stripe-type AF ordering separated by zero-energy domain walls. In spite of the local ordering within the respective domains there is no ordering among them and thus, unlike in the corresponding square-lattice model with $R > 1/2$, there is no conventional magnetic long-range ordering spanning the entire system.", "revisions": [ { "version": "v1", "updated": "2019-05-27T20:26:29.000Z" } ], "analyses": { "keywords": [ "honeycomb lattice", "ising antiferromagnet", "spin-glass-like ordering", "zero-energy domain walls", "monte carlo results" ], "tags": [ "conference paper" ], "note": { "typesetting": "TeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable" } } }