{ "id": "1006.2129", "version": "v2", "published": "2010-06-10T19:49:19.000Z", "updated": "2010-10-27T19:03:46.000Z", "title": "On the critical behavior of the Susceptible-Infected-Recovered (SIR) model on a square lattice", "authors": [ "Tânia Tomé", "Robert M. Ziff" ], "comment": "9 pages, 5 figures. Accepted for publication, Physical Review E", "journal": "Phys. Rev. E 82, 051921 (2010)", "doi": "10.1103/PhysRevE.82.051921", "categories": [ "cond-mat.dis-nn", "cond-mat.stat-mech", "physics.bio-ph" ], "abstract": "By means of numerical simulations and epidemic analysis, the transition point of the stochastic, asynchronous Susceptible-Infected-Recovered (SIR) model on a square lattice is found to be c_0=0.1765005(10), where c is the probability a chosen infected site spontaneously recovers rather than tries to infect one neighbor. This point corresponds to an infection/recovery rate of lambda_c = (1-c_0)/c_0 = 4.66571(3) and a net transmissibility of (1-c_0)/(1 + 3 c_0) = 0.538410(2), which falls between the rigorous bounds of the site and bond thresholds. The critical behavior of the model is consistent with the 2-d percolation universality class, but local growth probabilities differ from those of dynamic percolation cluster growth, as is demonstrated explicitly.", "revisions": [ { "version": "v2", "updated": "2010-10-27T19:03:46.000Z" } ], "analyses": { "subjects": [ "87.10.Mn", "02.50.Ey", "64.60.ah" ], "keywords": [ "square lattice", "critical behavior", "dynamic percolation cluster growth", "local growth probabilities differ" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review E", "year": 2010, "month": "Nov", "volume": 82, "number": 5, "pages": "051921" }, "note": { "typesetting": "TeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2010PhRvE..82e1921T" } } }