Media type: E-Article Title: Renormalization group improved optimized perturbation theory: Revisiting the mass gap of theO(2N)Gross-Neveu model Contributor: Kneur, Jean-Loïc; Neveu, André imprint: American Physical Society (APS), 2010 Published in: Physical Review D Language: English DOI: 10.1103/physrevd.81.125012 ISSN: 1550-7998; 1550-2368 Keywords: Nuclear and High Energy Physics Origination: Footnote: