{ "id": "0912.1753", "version": "v1", "published": "2009-12-09T14:13:41.000Z", "updated": "2009-12-09T14:13:41.000Z", "title": "Quark Condensate and Effective Action from Dyson--Schwinger Equations", "authors": [ "A. V. Zayakin", "V. Khandramai", "J. Rafelski" ], "comment": "9 pages, 10 figures", "categories": [ "hep-ph", "nucl-th" ], "abstract": "We obtain the QCD quark condensate from consideration of unquenched quark dynamics in Dyson-Schwinger gluon vacuum. We consider the non-local extension of the condensate and determine the quark virtuality. We also obtain the condensate-driven contribution of the non-perturbative QCD to Euler--Heisenberg Lagrangian of QED in external electromagnetic fields.", "revisions": [ { "version": "v1", "updated": "2009-12-09T14:13:41.000Z" } ], "analyses": { "subjects": [ "11.15.Tk", "12.38.Aw", "12.38.Lg" ], "keywords": [ "dyson-schwinger equations", "effective action", "qcd quark condensate", "external electromagnetic fields", "dyson-schwinger gluon vacuum" ], "note": { "typesetting": "TeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable", "inspire": 839406, "adsabs": "2009arXiv0912.1753Z" } } }