TY - RPRT TI - From Quantum Time to Manifestly Covariant QFT: On the Need for a Quantum-Action-Based Quantization AU - Diaz, Nahuel Luciano [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States). Center for Nonlinear Studies (CNLS)] (ORCID:0000000243219649) PY - 2026 DO - 10.3390/e28040425 UR - https://www.osti.gov/biblio/3375454 ID - 3375454 ER -