Fidelity of quantum teleportation in correlated quantum channels
We have studied the standard quantum teleportation of an arbitrary single qubit state for the situation in which a two-qubit X-state as a resource successively passes through correlated quantum channels, including amplitude-damping, phase-damping, and depolarizing channels. Analytical expressions of...
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| Veröffentlicht in: | Quantum information processing 2020-06, Vol.19 (6), Article 182 |
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| creator | Guo, You-neng Tian, Qing-long Zeng, Ke Chen, Ping-xing |
| description | We have studied the standard quantum teleportation of an arbitrary single qubit state for the situation in which a two-qubit X-state as a resource successively passes through correlated quantum channels, including amplitude-damping, phase-damping, and depolarizing channels. Analytical expressions of full entangled fraction (which is related to fidelity of quantum teleportation) suffered from these noisy channels are presented. The results demonstrate that there is a threshold value
μ
⋆
, above which the source state even subjected to decoherence becomes useful for quantum teleportation. Besides, we also develop an effective strategy to enhance quantum teleportation fidelity under decoherence channels by means of filtering operation. The underlying physical mechanism of the enhancement of fidelity is also analyzed. |
| doi_str_mv | 10.1007/s11128-020-02675-9 |
| format | Article |
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μ
⋆
, above which the source state even subjected to decoherence becomes useful for quantum teleportation. Besides, we also develop an effective strategy to enhance quantum teleportation fidelity under decoherence channels by means of filtering operation. The underlying physical mechanism of the enhancement of fidelity is also analyzed.</description><identifier>ISSN: 1570-0755</identifier><identifier>EISSN: 1573-1332</identifier><identifier>DOI: 10.1007/s11128-020-02675-9</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Accuracy ; Channels ; Correlation analysis ; Damping ; Data Structures and Information Theory ; Depolarization ; Mathematical analysis ; Mathematical Physics ; Physics ; Physics and Astronomy ; Quantum Computing ; Quantum Information Technology ; Quantum Physics ; Quantum teleportation ; Qubits (quantum computing) ; Spintronics</subject><ispartof>Quantum information processing, 2020-06, Vol.19 (6), Article 182</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-717dd7d3a90495c1cfcc99384eac25808f4103b764f97578cf5233a15cf47a313</citedby><cites>FETCH-LOGICAL-c319t-717dd7d3a90495c1cfcc99384eac25808f4103b764f97578cf5233a15cf47a313</cites><orcidid>0000-0002-5668-6764</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11128-020-02675-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11128-020-02675-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Guo, You-neng</creatorcontrib><creatorcontrib>Tian, Qing-long</creatorcontrib><creatorcontrib>Zeng, Ke</creatorcontrib><creatorcontrib>Chen, Ping-xing</creatorcontrib><title>Fidelity of quantum teleportation in correlated quantum channels</title><title>Quantum information processing</title><addtitle>Quantum Inf Process</addtitle><description>We have studied the standard quantum teleportation of an arbitrary single qubit state for the situation in which a two-qubit X-state as a resource successively passes through correlated quantum channels, including amplitude-damping, phase-damping, and depolarizing channels. Analytical expressions of full entangled fraction (which is related to fidelity of quantum teleportation) suffered from these noisy channels are presented. The results demonstrate that there is a threshold value
μ
⋆
, above which the source state even subjected to decoherence becomes useful for quantum teleportation. Besides, we also develop an effective strategy to enhance quantum teleportation fidelity under decoherence channels by means of filtering operation. The underlying physical mechanism of the enhancement of fidelity is also analyzed.</description><subject>Accuracy</subject><subject>Channels</subject><subject>Correlation analysis</subject><subject>Damping</subject><subject>Data Structures and Information Theory</subject><subject>Depolarization</subject><subject>Mathematical analysis</subject><subject>Mathematical Physics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Computing</subject><subject>Quantum Information Technology</subject><subject>Quantum Physics</subject><subject>Quantum teleportation</subject><subject>Qubits (quantum computing)</subject><subject>Spintronics</subject><issn>1570-0755</issn><issn>1573-1332</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKAzEQhoMoWKsv4GnB8-pMstlsbkqxVSh40XOI2US3bDdtkj307Y1d0ZuHYQbm-2fgI-Qa4RYBxF1ERNqUQCFXLXgpT8gMuWAlMkZPj3NeCc7PyUWMGwCKdVPPyP2ya23fpUPhXbEf9ZDGbZFsb3c-JJ06PxTdUBgfgu11su0vYz71MNg-XpIzp_tor376nLwtH18XT-X6ZfW8eFiXhqFMpUDRtqJlWkIluUHjjJGSNZXVhvIGGlchsHdRV04KLhrjOGVMIzeuEpohm5Ob6e4u-P1oY1IbP4Yhv1S0AkCQgFWm6ESZ4GMM1qld6LY6HBSC-jalJlMqm1JHU0rmEJtCMcPDhw1_p_9JfQE5WWsb</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Guo, You-neng</creator><creator>Tian, Qing-long</creator><creator>Zeng, Ke</creator><creator>Chen, Ping-xing</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-5668-6764</orcidid></search><sort><creationdate>20200601</creationdate><title>Fidelity of quantum teleportation in correlated quantum channels</title><author>Guo, You-neng ; Tian, Qing-long ; Zeng, Ke ; Chen, Ping-xing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-717dd7d3a90495c1cfcc99384eac25808f4103b764f97578cf5233a15cf47a313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Accuracy</topic><topic>Channels</topic><topic>Correlation analysis</topic><topic>Damping</topic><topic>Data Structures and Information Theory</topic><topic>Depolarization</topic><topic>Mathematical analysis</topic><topic>Mathematical Physics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Computing</topic><topic>Quantum Information Technology</topic><topic>Quantum Physics</topic><topic>Quantum teleportation</topic><topic>Qubits (quantum computing)</topic><topic>Spintronics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, You-neng</creatorcontrib><creatorcontrib>Tian, Qing-long</creatorcontrib><creatorcontrib>Zeng, Ke</creatorcontrib><creatorcontrib>Chen, Ping-xing</creatorcontrib><collection>CrossRef</collection><jtitle>Quantum information processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guo, You-neng</au><au>Tian, Qing-long</au><au>Zeng, Ke</au><au>Chen, Ping-xing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fidelity of quantum teleportation in correlated quantum channels</atitle><jtitle>Quantum information processing</jtitle><stitle>Quantum Inf Process</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>19</volume><issue>6</issue><artnum>182</artnum><issn>1570-0755</issn><eissn>1573-1332</eissn><abstract>We have studied the standard quantum teleportation of an arbitrary single qubit state for the situation in which a two-qubit X-state as a resource successively passes through correlated quantum channels, including amplitude-damping, phase-damping, and depolarizing channels. Analytical expressions of full entangled fraction (which is related to fidelity of quantum teleportation) suffered from these noisy channels are presented. The results demonstrate that there is a threshold value
μ
⋆
, above which the source state even subjected to decoherence becomes useful for quantum teleportation. Besides, we also develop an effective strategy to enhance quantum teleportation fidelity under decoherence channels by means of filtering operation. The underlying physical mechanism of the enhancement of fidelity is also analyzed.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11128-020-02675-9</doi><orcidid>https://orcid.org/0000-0002-5668-6764</orcidid></addata></record> |
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| ispartof | Quantum information processing, 2020-06, Vol.19 (6), Article 182 |
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| subjects | Accuracy Channels Correlation analysis Damping Data Structures and Information Theory Depolarization Mathematical analysis Mathematical Physics Physics Physics and Astronomy Quantum Computing Quantum Information Technology Quantum Physics Quantum teleportation Qubits (quantum computing) Spintronics |
| title | Fidelity of quantum teleportation in correlated quantum channels |
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