This repository is a work in progress database of research on Wigner's Friend and Local Friendliness. There are many missing! Please do add suggestions.
Please open a pull request if you'd like to add a new paper. We prefer open access links.
Some experimental papers also have theoretical results. In reverse chronological order.
| Date | Title | Authors | Link |
|---|---|---|---|
| 4 September 2024 | Towards violations of Local Friendliness with quantum computers | William J. Zeng, Farrokh Labib, Vincent Russo | https://arxiv.org/abs/2409.15302 |
| 17 August 2020 | A strong no-go theorem on the Wigner’s friend paradox | Kok-Wei Bong, Aníbal Utreras-Alarcón, Farzad Ghafari, Yeong-Cherng Liang, Nora Tischler, Eric G. Cavalcanti, Geoff J. Pryde & Howard M. Wiseman | https://www.nature.com/articles/s41567-020-0990-x |
Papers that are just theory with no experiments. In reverse chronological order.
| Date | Title | Authors | Link |
|---|---|---|---|
| 26 September 2024 | Relating Wigner’s Friend Scenarios to Nonclassical Causal Compatibility, Monogamy Relations, and Fine Tuning | Yìlè Yīng, Marina Maciel Ansanelli, Andrea Di Biagio, Elie Wolfe, David Schmid, and Eric Gama Cavalcanti | https://doi.org/10.22331/q-2024-09-26-1485 |
| 11 September 2024 | Connecting extended Wigner's friend arguments and noncontextuality | Laurens Walleghem, Yìlè Yīng, Rafael Wagner, David Schmid | https://arxiv.org/abs/2409.07537 |
| 9 September 2024 | A refined Frauchiger–Renner paradox based on strong contextuality | Laurens Walleghem and Rui Soares Barbosa and Matthew Pusey and Stefan Weigert | https://arxiv.org/abs/2409.05491 |
| 29 July 2024 | Local Friendliness Polytopes In Multipartite Scenarios | Marwan Haddara and Eric G. Cavalcanti | https://arxiv.org/abs/2407.20346 |
| 13 February 2024 | Thinking twice inside the box: is Wigner's friend really quantum? | Caroline L. Jones and Markus P. Mueller | https://arxiv.org/abs/2402.08727 |
| 14 September 2023 | Extended Wigner's friend paradoxes do not require nonlocal correlations | Laurens Walleghem, Rafael Wagner, Yìlè Yīng, David Schmid | https://arxiv.org/abs/2310.06976 |
| 14 September 2023 | A “thoughtful” Local Friendliness no-go theorem: a prospective experiment with new assumptions to suit | Howard M. Wiseman, Eric G. Cavalcanti, and Eleanor G. Rieffel | https://quantum-journal.org/papers/q-2023-09-14-1112/ |
| 13 September 2023 | A possibilistic no-go theorem on the Wigner's friend paradox | Marwan Haddara and Eric Cavalcanti | https://iopscience.iop.org/article/10.1088/1367-2630/aceea3/meta |
| 30 August 2023 | A review and analysis of six extended Wigner's friend arguments | David Schmid, Yìlè Yīng, Matthew Leifer | https://arxiv.org/abs/2308.16220 |
| 24 May 2023 | Wigner's friend's memory and the no-signaling principle | Veronika Baumann and Časlav Brukner | https://arxiv.org/abs/2305.15497 |
| 24 February 2023 | Friendly thoughts on thoughtful friendliness | Adrian Kent | https://arxiv.org/abs/2302.12707 |
| 24 August 2022 | Events in quantum mechanics are maximally non-absolute | George Moreno, Ranieri Nery, Cristhiano Duarte, and Rafael Chaves | https://quantum-journal.org/papers/q-2022-08-24-785/ |
| 20 March 2021 | The View from a Wigner Bubble | Eric Cavalcanti | https://link.springer.com/article/10.1007/s10701-021-00417-0 |
| 29 April 2018 | A No-Go Theorem for Observer-Independent Facts | Časlav Brukner | https://www.mdpi.com/1099-4300/20/5/350 |
| Date | Title | Publication | Link |
|---|---|---|---|
| 3 December 2020 | A New Theorem Maps Out the Limits of Quantum Physics | Quanta | https://www.quantamagazine.org/a-new-theorem-maps-out-the-limits-of-quantum-physics-20201203/ |