Extracting quantum coherence via steering
As the precious resource for quantum information processing, quantum coherence can be created remotely if the involved two sites are quantum correlated. It can be expected that the amount of coherence created should depend on the quantity of the shared quantum correlation, which is also a resource....
| Main Authors: | , |
|---|---|
| Format: | Online |
| Language: | English |
| Published: |
Nature Publishing Group
2016
|
| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5041134/ |
| id |
pubmed-5041134 |
|---|---|
| recordtype |
oai_dc |
| spelling |
pubmed-50411342016-09-30 Extracting quantum coherence via steering Hu, Xueyuan Fan, Heng Article As the precious resource for quantum information processing, quantum coherence can be created remotely if the involved two sites are quantum correlated. It can be expected that the amount of coherence created should depend on the quantity of the shared quantum correlation, which is also a resource. Here, we establish an operational connection between coherence induced by steering and the quantum correlation. We find that the steering-induced coherence quantified by such as relative entropy of coherence and trace-norm of coherence is bounded from above by a known quantum correlation measure defined as the one-side measurement-induced disturbance. The condition that the upper bound saturated by the induced coherence varies for different measures of coherence. The tripartite scenario is also studied and similar conclusion can be obtained. Our results provide the operational connections between local and non-local resources in quantum information processing. Nature Publishing Group 2016-09-29 /pmc/articles/PMC5041134/ /pubmed/27682450 http://dx.doi.org/10.1038/srep34380 Text en Copyright © 2016, The Author(s) http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
| repository_type |
Open Access Journal |
| institution_category |
Foreign Institution |
| institution |
US National Center for Biotechnology Information |
| building |
NCBI PubMed |
| collection |
Online Access |
| language |
English |
| format |
Online |
| author |
Hu, Xueyuan Fan, Heng |
| spellingShingle |
Hu, Xueyuan Fan, Heng Extracting quantum coherence via steering |
| author_facet |
Hu, Xueyuan Fan, Heng |
| author_sort |
Hu, Xueyuan |
| title |
Extracting quantum coherence via steering |
| title_short |
Extracting quantum coherence via steering |
| title_full |
Extracting quantum coherence via steering |
| title_fullStr |
Extracting quantum coherence via steering |
| title_full_unstemmed |
Extracting quantum coherence via steering |
| title_sort |
extracting quantum coherence via steering |
| description |
As the precious resource for quantum information processing, quantum coherence can be created remotely if the involved two sites are quantum correlated. It can be expected that the amount of coherence created should depend on the quantity of the shared quantum correlation, which is also a resource. Here, we establish an operational connection between coherence induced by steering and the quantum correlation. We find that the steering-induced coherence quantified by such as relative entropy of coherence and trace-norm of coherence is bounded from above by a known quantum correlation measure defined as the one-side measurement-induced disturbance. The condition that the upper bound saturated by the induced coherence varies for different measures of coherence. The tripartite scenario is also studied and similar conclusion can be obtained. Our results provide the operational connections between local and non-local resources in quantum information processing. |
| publisher |
Nature Publishing Group |
| publishDate |
2016 |
| url |
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5041134/ |
| _version_ |
1613664797962797056 |