PIRSA:21060116 Conference Quantum Foundations

DOI10.48660/21060116

Conference/School: Quantizing Time

Wharton, K. (2021). What does the Path Integral imply for Quantizing Time?. Perimeter Institute. https://pirsa.org/21060116

Wharton, Kenneth. What does the Path Integral imply for Quantizing Time?. Perimeter Institute, Jun. 18, 2021, https://pirsa.org/21060116 

@misc{ pirsa_PIRSA:21060116,
  doi = {10.48660/21060116},
  url = {https://pirsa.org/21060116},
  author = {Wharton, Kenneth},
  keywords = {Quantum Foundations},
  language = {en},
  title = {What does the Path Integral imply for Quantizing Time?},
  publisher = {Perimeter Institute},
  year = {2021},
  month = {jun},
  note = {PIRSA:21060116 see, \url{https://pirsa.org}}
}

Abstract

"Even though path-integral formulations of quantum theory are thought to be equivalent to state-based approaches, path-integrals are rarely used to motivate answers to foundational questions. This talk will summarize a number of implications concerning time and time-symmetry which result from the path-integral viewpoint. Such a perspective sheds serious doubt on dynamical collapse theories, and also pushes against efforts to extend configuration space to include multiple time dimensions. A recently-developed map between all possible two-qubit entangled states and spacetime-based path-integrals sheds further doubt on any need to extend spacetime to a large ontological configuration space. (References include arXiv:2103.02425, 1512.00740, 1103.2492 .)"

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