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hep-th2026
Modular theory and affine representations on the Rindler horizon
Michele Arzano, Paolo Palumbo
We develop a group-theoretic interpretation of the Unruh effect based on affine symmetry on a light ray and relate it to modular theory. For a massless scalar field in two spacetim…
hep-th2026
Affine Symmetry and the Group-Theoretic Basis of the Unruh Effect
Michele Arzano, Alessandra D'Alise, Simone del Rosso +1
A massless scalar field in two spacetime dimensions splits into two independent sectors of left and right-moving modes on the light cone. At the quantum level, these two sectors ca…