Effects of reduced measurement independence on bell-based randomness expansion
With the advent of quantum information, the violation of a Bell inequality is used to witness the absence of an eavesdropper in cryptographic scenarios such as key distribution and randomness expansion. One of the key assumptions of Bell's theorem is the existence of experimental "free wil...
| Auteurs principaux: | , , , , , , , |
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| Format: | Journal article |
| Langue: | English |
| Publié: |
2012
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| _version_ | 1826259575145234432 |
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| author | Koh, D Hall, M Setiawan Pope, J Marletto, C Kay, A Scarani, V Ekert, A |
| author_facet | Koh, D Hall, M Setiawan Pope, J Marletto, C Kay, A Scarani, V Ekert, A |
| author_sort | Koh, D |
| collection | OXFORD |
| description | With the advent of quantum information, the violation of a Bell inequality is used to witness the absence of an eavesdropper in cryptographic scenarios such as key distribution and randomness expansion. One of the key assumptions of Bell's theorem is the existence of experimental "free will," meaning that measurement settings can be chosen at random and independently by each party. The relaxation of this assumption potentially shifts the balance of power towards an eavesdropper. We consider a no-signaling model with reduced "free will" and bound the adversary's capabilities in the task of randomness expansion. © 2012 American Physical Society. |
| first_indexed | 2024-03-06T18:52:03Z |
| format | Journal article |
| id | oxford-uuid:108f7c38-929f-4265-a6e1-2e08a697f5ba |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T18:52:03Z |
| publishDate | 2012 |
| record_format | dspace |
| spelling | oxford-uuid:108f7c38-929f-4265-a6e1-2e08a697f5ba2022-03-26T09:57:08ZEffects of reduced measurement independence on bell-based randomness expansionJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:108f7c38-929f-4265-a6e1-2e08a697f5baEnglishSymplectic Elements at Oxford2012Koh, DHall, MSetiawanPope, JMarletto, CKay, AScarani, VEkert, AWith the advent of quantum information, the violation of a Bell inequality is used to witness the absence of an eavesdropper in cryptographic scenarios such as key distribution and randomness expansion. One of the key assumptions of Bell's theorem is the existence of experimental "free will," meaning that measurement settings can be chosen at random and independently by each party. The relaxation of this assumption potentially shifts the balance of power towards an eavesdropper. We consider a no-signaling model with reduced "free will" and bound the adversary's capabilities in the task of randomness expansion. © 2012 American Physical Society. |
| spellingShingle | Koh, D Hall, M Setiawan Pope, J Marletto, C Kay, A Scarani, V Ekert, A Effects of reduced measurement independence on bell-based randomness expansion |
| title | Effects of reduced measurement independence on bell-based randomness expansion |
| title_full | Effects of reduced measurement independence on bell-based randomness expansion |
| title_fullStr | Effects of reduced measurement independence on bell-based randomness expansion |
| title_full_unstemmed | Effects of reduced measurement independence on bell-based randomness expansion |
| title_short | Effects of reduced measurement independence on bell-based randomness expansion |
| title_sort | effects of reduced measurement independence on bell based randomness expansion |
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