1996/06/26 by Marc-Thierry Jaekel, Serge Reynaud · 4 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Quantum Mechanics and Applications #Relativity and Gravitational Theory #gr-qc #quant-ph
paper · pdf · doi:10.1016/0375-9601(96)00496-3
published as Phys. Lett. A 220 (1996) 10 · 11 pages, to appear in Physics Letters A
arxiv created 1996/06/26 · openalex publication_date 1996/09/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We introduce observables associated with the space-time position of a quantum point defined by the intersection of two light pulses. The time observable is canonically conjugated to the energy. Conformal symmetry of massless quantum fields is used first to build the definition of these observables and then to describe their relativistic properties under frame transformations. The transformations to accelerated frames of the space-time observables depart from the laws of classical relativity. The Einstein laws for the shifts of clock rates and frequencies are recovered in the quantum description, and their formulation provides a conformal metric factor behaving as a quantum observable.