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hep-th2025
Physics on and off the light cone
Philip D. Mannheim
We study light-front physics and conformal symmetry, and their interplay both on and off the light cone. The full symmetry of the light cone is conformal symmetry not just Lorentz…
hep-th2024
Pauli-Villars and the ultraviolet completion of Einstein gravity
Philip D. Mannheim
Through use of the Pauli-Villars regulator procedure we construct a second- plus fourth-order-derivative theory of gravity that serves as an ultraviolet completion of standard seco…