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Johannes Poeplau

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Preprint Aug 2026

Negative diffusion in the Functional Renormalization Group flow for the Quark-Diquark Model

We investigate the Quark-Diquark Model (QDM) with the Functional Renormalization Group (FRG) in the Local Potential Approximation. In a recent work [arXiv:2510.01066 [hep-ph]], problems were reported in applying this method at low temperatures and large quark chemical potentials, which were attributed to numerical arti...

Johannes Poeplau, Ashutosh Dash, D. Rischke · 0 citations

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