Media type: E-Article Title: Chiral condensate and spectral density at full five-loop and partial six-loop orders of renormalization group optimized perturbation theory Contributor: Kneur, Jean-Loïc; Neveu, André imprint: American Physical Society (APS), 2020 Published in: Physical Review D Language: English DOI: 10.1103/physrevd.101.074009 ISSN: 2470-0010; 2470-0029 Origination: Footnote: