{ "id": "0904.2744", "version": "v2", "published": "2009-04-17T17:16:39.000Z", "updated": "2011-04-27T00:40:37.000Z", "title": "From the mass gap in O(N) to the non-Borel-summability in O(3) and O(4) sigma-models", "authors": [ "Dmytro Volin" ], "comment": "4 pages; v2: +1 figure, typos corrected, formula (23) corrected; improved explanation and discussion throughout the text; references added", "journal": "Phys.Rev.D81:105008,2010", "doi": "10.1103/PhysRevD.81.105008", "categories": [ "hep-th", "cond-mat.stat-mech", "math-ph", "math.MP" ], "abstract": "We give an analytical derivation of the mass gap of the O(N) sigma models and investigate a large-order behavior of the weak coupling asymptotic expansion for the energy. For sufficiently large N the series is sign-oscillating, which is expected from the large N solution of the sigma model. However, for N=3 and N=4 the series are sign positive.", "revisions": [ { "version": "v2", "updated": "2011-04-27T00:40:37.000Z" } ], "analyses": { "subjects": [ "11.15.Tk", "02.30.Rz" ], "keywords": [ "mass gap", "non-borel-summability", "sigma-models", "sigma model", "weak coupling asymptotic expansion" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review D", "year": 2010, "month": "May", "volume": 81, "number": 10, "pages": 105008 }, "note": { "typesetting": "TeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "inspire": 818229, "adsabs": "2010PhRvD..81j5008V" } } }