Post-quantum steering is a stronger-than-quantum resource for information processing

Simple item page
dc.contributor.authorCavalcanti, Paulo J.en
dc.contributor.authorSelby, John H.en
dc.contributor.authorSikora, Jamieen
dc.contributor.authorGalley, Thomas D.en
dc.contributor.authorSainz, Ana Belenen
dc.date.accessioned2022-11-04T16:58:11Zen
dc.date.available2022-11-04T16:58:11Zen
dc.date.issued2022-06-30en
dc.description.abstractWe present the first instance where post-quantum steering is a stronger-than-quantum resource for information processing - remote state preparation. In addition, we show that the phenomenon of post-quantum steering is not just a mere mathematical curiosity allowed by the no-signalling principle, but it may arise within compositional theories beyond quantum theory, hence making its study fundamentally relevant. We show these results by formulating a new compositional general probabilistic theory - which we call Witworld - with strong post-quantum features, which proves to be a intuitive and useful tool for exploring steering and its applications beyond the quantum realm.en
dc.description.notesWe thank an anonymous referee for their useful feedback on our manuscript. PJC, JHS, and ABS acknowledge support by the Foundation for Polish Science (IRAP project, ICTQT, contract no. 2018/MAB/5, co-financed by EU within Smart Growth Operational Programme). This research was supported by Perimeter Institute for Theoretical Physics. Research at Perimeter Institute is supported by the Government of Canada through the Department of Innovation, Science and Economic Development Canada and by the Province of Ontario through the Ministry of Research, Innovation and Science. All of the diagrams within this manuscript were prepared using TikZit.en
dc.description.sponsorshipPerimeter Institute for Theoretical Physics; Government of Canada through the Department of Innovation, Science and Economic Development Canada; Province of Ontario through the Ministry of Research, Innovation and Science; Foundation for Polish Science (IRAP project, ICTQT - EU within Smart Growth Operational Programme) [2018/MAB/5]en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1038/s41534-022-00574-8en
dc.identifier.eissn2056-6387en
dc.identifier.issue1en
dc.identifier.other76en
dc.identifier.urihttp://hdl.handle.net/10919/112382en
dc.identifier.volume8en
dc.language.isoenen
dc.publisherNature Portfolioen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectnonlocalityen
dc.titlePost-quantum steering is a stronger-than-quantum resource for information processingen
dc.title.serialNpj Quantum Informationen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
s41534-022-00574-8.pdf
Size:
2.09 MB
Format:
Adobe Portable Document Format
Description:
Published version
Download

Collections

Scholarly Works, Computer Science
Open Access Subvention Fund Articles