{ "id": "0902.0741", "version": "v2", "published": "2009-02-04T16:30:34.000Z", "updated": "2009-09-22T09:49:56.000Z", "title": "Transport properties and Langevin dynamics of heavy quarks and quarkonia in the Quark Gluon Plasma", "authors": [ "A. Beraudo", "A. De Pace", "W. M. Alberico", "A. Molinari" ], "comment": "Minor changes. One figure added. Final version accepted for publication by Nucl. Phys. A", "journal": "Nucl.Phys.A831:59-90,2009", "doi": "10.1016/j.nuclphysa.2009.09.002", "categories": [ "hep-ph" ], "abstract": "Quark Gluon Plasma transport coefficients for heavy quarks and quark-antiquark pairs are computed through an extension of the results obtained for a hot QED plasma by describing the heavy-quark propagation in the eikonal approximation and by weighting the gauge field configurations with the Hard Thermal Loop effective action. It is shown that such a model allows to correctly reproduce, at leading logarithmic accuracy, the results obtained by other independent approaches. The results are then inserted into a relativistic Langevin equation allowing to follow the evolution of the heavy-quark momentum spectra. Our numerical findings are also compared with the ones obtained in a strongly-coupled scenario, namely with the transport coefficients predicted (though with some limitations and ambiguities) by the AdS/CFT correspondence.", "revisions": [ { "version": "v2", "updated": "2009-09-22T09:49:56.000Z" } ], "analyses": { "subjects": [ "25.75.Cj", "14.65.Dw", "11.10.Wx", "12.38.Mh", "25.75.Nq", "21.65.Qr", "14.65.Fy" ], "keywords": [ "heavy quarks", "langevin dynamics", "transport properties", "thermal loop effective action", "quark gluon plasma transport coefficients" ], "tags": [ "journal article" ], "publication": { "publisher": "Elsevier", "journal": "Nuclear Physics A", "year": 2009, "month": "Dec", "volume": 831, "number": 1, "pages": 59 }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "inspire": 812547, "adsabs": "2009NuPhA.831...59B" } } }