Violation of no-signaling on a public quantum computer
Fuente:
arXiv
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Preprint |
| Published: |
2024
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866918035040763904 |
|---|---|
| author | Rybotycki, Tomasz Białecki, Tomasz Batle, Josep Bednorz, Adam |
| author_facet | Rybotycki, Tomasz Białecki, Tomasz Batle, Josep Bednorz, Adam |
| contents | No-signaling is a consequence of the no-communication theorem that states that bipartite systems cannot transfer information
unless a communication channel exists. It is also a by-product of the assumptions of Bell theorem about quantum nonlocality. We have tested no-signaling in bipartite systems of qubits from IBM Quantum devices in extremely large statistics, resulting in significant violations. Although the time and space scales of IBM Quantum cannot in principle rule out subluminal communications, there is no obvious physical mechanism leading to signaling. The violation is also at similar level as observed in Bell tests. It is therefore mandatory to check possible technical imperfections that may cause the violation and to repeat the loophole-free Bell test at much larger statistics, in order to be ruled out definitively at strict spacelike conditions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_11348 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Violation of no-signaling on a public quantum computer Rybotycki, Tomasz Białecki, Tomasz Batle, Josep Bednorz, Adam Quantum Physics No-signaling is a consequence of the no-communication theorem that states that bipartite systems cannot transfer information unless a communication channel exists. It is also a by-product of the assumptions of Bell theorem about quantum nonlocality. We have tested no-signaling in bipartite systems of qubits from IBM Quantum devices in extremely large statistics, resulting in significant violations. Although the time and space scales of IBM Quantum cannot in principle rule out subluminal communications, there is no obvious physical mechanism leading to signaling. The violation is also at similar level as observed in Bell tests. It is therefore mandatory to check possible technical imperfections that may cause the violation and to repeat the loophole-free Bell test at much larger statistics, in order to be ruled out definitively at strict spacelike conditions. |
| title | Violation of no-signaling on a public quantum computer |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2409.11348 |