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hep-th2026
Belinfante-Rosenfeld Symmetrization from Metric-Affine Conservation Laws: Hypermomentum as the Improvement Term -- The Cases of QED and QCD
Damianos Iosifidis
We derive the Belinfante--Rosenfeld symmetrization procedure from the metric-affine conservation law by means of an affine lift of flat-spacetime field theories. Following minimal…
hep-th2025★ 3 cited
On the geometric origin of the energy-momentum tensor improvement terms
Damianos Iosifidis, Manthos Karydas, Anastasios Petkou +1
In a flat background, the canonical energy momentum tensor of Lorentz and conformally invariant matter field theories can be improved to a symmetric and traceless tensor that gives…