{ "id": "cond-mat/0207010", "version": "v2", "published": "2002-06-29T13:19:10.000Z", "updated": "2002-11-15T19:39:35.000Z", "title": "Two-loop approximation in the Coulomb blockade problem", "authors": [ "I. S. Beloborodov", "A. V. Andreev", "A. I. Larkin" ], "comment": "10 pages, 3 figures", "journal": "Phys. Rev. B 68, 024204 (2003)", "doi": "10.1103/PhysRevB.68.024204", "categories": [ "cond-mat.mes-hall" ], "abstract": "We study Coulomb blockade (CB) oscillations in the thermodynamics of a metallic grain which is connected to a lead by a tunneling contact with a large conductance $g_0$ in a wide temperature range, $E_Cg_0^4 e^{-g_0/2}