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Measures entanglement entropy in G_2 and SU(3), suggesting new insights into gauge theories.
First lattice measurement of Renyi-2 entanglement entropy in G_2 gauge theory (exceptional Lie group, Z(G_2)={1}) and comparison with SU(3) at matched string tension. 10 data points (L=4,6,8,10,12 for each group). Main result: ratio S_2(G_2)/S_2(SU(3)) = 1.292 +/- 0.001, constant across all volumes, 26% below gluon-counting prediction dim(adj)=14/8=1.75. First ab initio lattice evidence for Donnelly-Wall center-dependent EE decomposition. Rust code (x75 vs Python) on i5-14600KF 14-core. Bitcoin timestamped. Author: Kevin Remondiere (ORCID 0009-0008-2443-7166).
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Kévin Rémondière (2026) studied this question.
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