Author(s): Aapeli Kärkkäinen, Pablo Navarrete, Mika Nurmela, Risto Paatelainen, Kaapo Seppänen, and Aleksi Vuorinen
A new theoretical framework simplifies the four-loop Feynman diagrams for dense QCD to few infrared-finite integrals, which brings the higher-order calculation of the pressure inside cold and dense quark matter within reach.
[Phys. Rev. Lett. 135, 021901] Published Mon Jul 07, 2025