PIRSA:19050039

Relative Quantum Time

APA

Loveridge, L. (2019). Relative Quantum Time . Perimeter Institute. https://pirsa.org/19050039

MLA

Loveridge, Leon. Relative Quantum Time . Perimeter Institute, May. 28, 2019, https://pirsa.org/19050039

BibTex

          @misc{ pirsa_PIRSA:19050039,
            doi = {10.48660/19050039},
            url = {https://pirsa.org/19050039},
            author = {Loveridge, Leon},
            keywords = {Quantum Foundations},
            language = {en},
            title = {Relative Quantum Time },
            publisher = {Perimeter Institute},
            year = {2019},
            month = {may},
            note = {PIRSA:19050039 see, \url{https://pirsa.org}}
          }
          

Leon Loveridge University of York

Abstract

The need for a time-shift invariant formulation of quantum theory arises from fundamental symmetry principles as well as heuristic cosmological considerations. Such a description then leaves open the question of how to reconcile global invariance with the perception of change, locally. By introducing relative time observables, we are able to make rigorous the Page-Wootters conditional probability formalism to show how local Heisenberg evolution is compatible with global invariance.