Quark spectral properties above T c from Dyson–Schwinger equations JensA. Mueller, ChristianS. Fischer and Dominik Nickel Eur. Phys. J. C, 70 4 (2010) 1037-1049 Published online: 18 November 2010 DOI: 10.1140/epjc/s10052-010-1499-8