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- Publisher Website: 10.1103/PhysRevA.86.040301
- Scopus: eid_2-s2.0-84867287312
- WOS: WOS:000309650800002
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Article: Perfect discrimination of no-signalling channels via quantum superposition of causal structures
| Title | Perfect discrimination of no-signalling channels via quantum superposition of causal structures |
|---|---|
| Authors | |
| Issue Date | 2012 |
| Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/pra/ |
| Citation | Physical Review A (Atomic, Molecular and Optical Physics), 2012, v. 86 n. 4, article no. 040301 How to Cite? |
| Abstract | A no-signalling channel transforming quantum systems in Alice's and Bob's local laboratories is compatible with two different causal structures: (AB) Alice's output causally precedes Bob's input and (BA) Bob's output causally precedes Alice's input. Here I prove that two no-signalling channels that are not perfectly distinguishable in any ordinary quantum circuit can become perfectly distinguishable through the quantum superposition of circuits with different causal structures. © 2012 American Physical Society. |
| Persistent Identifier | http://hdl.handle.net/10722/213267 |
| ISSN | 2014 Impact Factor: 2.808 |
| ISI Accession Number ID |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Chiribella, Giulio | - |
| dc.date.accessioned | 2015-07-28T04:06:43Z | - |
| dc.date.available | 2015-07-28T04:06:43Z | - |
| dc.date.issued | 2012 | - |
| dc.identifier.citation | Physical Review A (Atomic, Molecular and Optical Physics), 2012, v. 86 n. 4, article no. 040301 | - |
| dc.identifier.issn | 1050-2947 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/213267 | - |
| dc.description.abstract | A no-signalling channel transforming quantum systems in Alice's and Bob's local laboratories is compatible with two different causal structures: (AB) Alice's output causally precedes Bob's input and (BA) Bob's output causally precedes Alice's input. Here I prove that two no-signalling channels that are not perfectly distinguishable in any ordinary quantum circuit can become perfectly distinguishable through the quantum superposition of circuits with different causal structures. © 2012 American Physical Society. | - |
| dc.language | eng | - |
| dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/pra/ | - |
| dc.relation.ispartof | Physical Review A (Atomic, Molecular and Optical Physics) | - |
| dc.title | Perfect discrimination of no-signalling channels via quantum superposition of causal structures | - |
| dc.type | Article | - |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.doi | 10.1103/PhysRevA.86.040301 | - |
| dc.identifier.scopus | eid_2-s2.0-84867287312 | - |
| dc.identifier.volume | 86 | - |
| dc.identifier.issue | 4 | - |
| dc.identifier.spage | article no. 040301 | - |
| dc.identifier.epage | article no. 040301 | - |
| dc.identifier.eissn | 1094-1622 | - |
| dc.identifier.isi | WOS:000309650800002 | - |
| dc.identifier.issnl | 1050-2947 | - |