Browsing UiS Brage by Author "Österman, Juuso"
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Soft photon propagation in a hot and dense medium to next-to-leading order
Gorda, Tyler; Kurkela, Eero Aleksi; Österman, Juuso; Paatelainen, Risto; Säppi, Saga; Schicho, Philipp; Seppänen, Kaapo; Vuorinen, Aleksi (Peer reviewed; Journal article, 2023)We present the first complete calculation of the soft photon self-energy to the next-to-leading order in a hot and/or dense ultrarelativistic plasma in QED. The calculation is performed within the real-time formalism ...