{ "id": "cond-mat/9705311", "version": "v1", "published": "1997-05-30T15:11:50.000Z", "updated": "1997-05-30T15:11:50.000Z", "title": "Metastability in the two-dimensional Ising model with free boundary conditions", "authors": [ "E. N. M. Cirillo", "J. L. Lebowitz" ], "comment": "24 pages, TeX file", "journal": "Journ. Stat. Phys. 90, 211-226, 1998.", "categories": [ "cond-mat.stat-mech" ], "abstract": "We investigate metastability in the two dimensional Ising model in a square with free boundary conditions at low temperatures. Starting with all spins down in a small positive magnetic field, we show that the exit from this metastable phase occurs via the nucleation of a critical droplet in one of the four corners of the system. We compute the lifetime of the metastable phase analytically in the limit $T\\to 0$, $h\\to 0$ and via Monte Carlo simulations at fixed values of $T$ and $h$ and find good agreement. This system models the effects of boundary domains in magnetic storage systems exiting from a metastable phase when a small external field is applied.", "revisions": [ { "version": "v1", "updated": "1997-05-30T15:11:50.000Z" } ], "analyses": { "keywords": [ "free boundary conditions", "two-dimensional ising model", "metastability", "metastable phase", "small external field" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 24, "language": "en", "license": "arXiv", "status": "editable" } } }