{ "id": "1406.3293", "version": "v2", "published": "2014-06-12T17:26:22.000Z", "updated": "2014-10-29T15:33:52.000Z", "title": "Phase transitions in layered systems", "authors": [ "Luiz Renato Fontes", "Domingos H. U. Marchetti", "Immacolata Merola", "Errico Presutti", "Maria Eulalia Vares" ], "comment": "17 pages. Final version. Published in Journal of Statistical Physics (2014), volume 157, 407-421", "journal": "J Stat Phys 157, 2014, 407-421", "doi": "10.1007/s10955-014-1090-z", "categories": [ "math.PR" ], "abstract": "We consider the Ising model on the two-dimensional square lattice where on each horizontal line, called \"layer\", the interaction is given by a ferromagnetic Kac potential with coupling strength $J_\\gamma(x,y)=\\gamma J(\\gamma(x-y))$, where $J(\\cdot)$ is smooth and has compact support; we then add a nearest neighbor ferromagnetic vertical interaction of strength $\\gamma^{A}$ (where $A\\ge 2$ is fixed) and prove that for any $\\beta$ (inverse temperature) larger than the mean field critical value there is a phase transition for all $\\gamma$ small enough.", "revisions": [ { "version": "v1", "updated": "2014-06-12T17:26:22.000Z", "abstract": "We consider the Ising model on the two-dimensional square lattice where on each horizontal line, called \"layer\", the interaction is given by a ferromagnetic Kac potential with coupling strength $J_\\gamma(x,y)=\\gamma J(\\gamma(x-y))$, where $J(\\cdot)$ is smooth and has compact support; we then add a nearest neighbor ferromagnetic vertical interaction of strength $\\gamma^{100}$ (any large power of $\\gamma$ could be handled as well) and prove that for any $\\beta$ (inverse temperature) larger than the mean field critical value there is a phase transition for all $\\gamma$ small enough.", "comment": "16 pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2014-10-29T15:33:52.000Z" } ], "analyses": { "subjects": [ "60K35", "82B20" ], "keywords": [ "phase transition", "layered systems", "nearest neighbor ferromagnetic vertical interaction", "mean field critical value", "two-dimensional square lattice" ], "tags": [ "journal article" ], "publication": { "journal": "Journal of Statistical Physics", "year": 2014, "month": "Nov", "volume": 157, "number": 3, "pages": 407 }, "note": { "typesetting": "TeX", "pages": 17, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014JSP...157..407F" } } }