PIRSA:25060010

Absolute Entropy and the Observer's No-Boundary State

APA

Kudler-Flam, J. (2025). Absolute Entropy and the Observer's No-Boundary State. Perimeter Institute for Theoretical Physics. https://pirsa.org/25060010

MLA

Kudler-Flam, Jonah. Absolute Entropy and the Observer's No-Boundary State. Perimeter Institute for Theoretical Physics, Jun. 24, 2025, https://pirsa.org/25060010

BibTex

          @misc{ scivideos_PIRSA:25060010,
            doi = {10.48660/25060010},
            url = {https://pirsa.org/25060010},
            author = {Kudler-Flam, Jonah},
            keywords = {Quantum Gravity, Quantum Information},
            language = {en},
            title = {Absolute Entropy and the Observer{\textquoteright}s No-Boundary State},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2025},
            month = {jun},
            note = {PIRSA:25060010 see, \url{https://scivideos.org/index.php/pirsa/25060010}}
          }
          

Jonah Kudler-Flam Institute for Advanced Study

Talk numberPIRSA:25060010
Source RepositoryPIRSA
Collection

Abstract

I will discuss the algebra of observables accessible to an observer in a generic closed universe and the role of the no-boundary density matrix in defining entropy.