Dense Coding in a Two-Spin Squeezing Model with Intrinsic Decoherence
Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing...
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| Autor*in: |
Zhang, Bing-Bing [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Anmerkung: |
© Springer Science+Business Media New York 2016 |
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| Übergeordnetes Werk: |
Enthalten in: International journal of theoretical physics - Springer US, 1968, 55(2016), 11 vom: 09. Juli, Seite 4731-4739 |
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| Übergeordnetes Werk: |
volume:55 ; year:2016 ; number:11 ; day:09 ; month:07 ; pages:4731-4739 |
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| DOI / URN: |
10.1007/s10773-016-3096-6 |
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OLC2052399429 |
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| 520 | |a Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. | ||
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10.1007/s10773-016-3096-6 doi (DE-627)OLC2052399429 (DE-He213)s10773-016-3096-6-p DE-627 ger DE-627 rakwb eng 530 VZ 33.00 bkl Zhang, Bing-Bing verfasserin aut Dense Coding in a Two-Spin Squeezing Model with Intrinsic Decoherence 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2016 Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. Dense coding Initial state Intrinsic decoherence Yang, Guo-Hui aut Enthalten in International journal of theoretical physics Springer US, 1968 55(2016), 11 vom: 09. Juli, Seite 4731-4739 (DE-627)129546097 (DE-600)218277-4 (DE-576)014996413 0020-7748 nnns volume:55 year:2016 number:11 day:09 month:07 pages:4731-4739 https://doi.org/10.1007/s10773-016-3096-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_70 33.00 VZ AR 55 2016 11 09 07 4731-4739 |
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10.1007/s10773-016-3096-6 doi (DE-627)OLC2052399429 (DE-He213)s10773-016-3096-6-p DE-627 ger DE-627 rakwb eng 530 VZ 33.00 bkl Zhang, Bing-Bing verfasserin aut Dense Coding in a Two-Spin Squeezing Model with Intrinsic Decoherence 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2016 Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. Dense coding Initial state Intrinsic decoherence Yang, Guo-Hui aut Enthalten in International journal of theoretical physics Springer US, 1968 55(2016), 11 vom: 09. Juli, Seite 4731-4739 (DE-627)129546097 (DE-600)218277-4 (DE-576)014996413 0020-7748 nnns volume:55 year:2016 number:11 day:09 month:07 pages:4731-4739 https://doi.org/10.1007/s10773-016-3096-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_70 33.00 VZ AR 55 2016 11 09 07 4731-4739 |
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10.1007/s10773-016-3096-6 doi (DE-627)OLC2052399429 (DE-He213)s10773-016-3096-6-p DE-627 ger DE-627 rakwb eng 530 VZ 33.00 bkl Zhang, Bing-Bing verfasserin aut Dense Coding in a Two-Spin Squeezing Model with Intrinsic Decoherence 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2016 Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. Dense coding Initial state Intrinsic decoherence Yang, Guo-Hui aut Enthalten in International journal of theoretical physics Springer US, 1968 55(2016), 11 vom: 09. Juli, Seite 4731-4739 (DE-627)129546097 (DE-600)218277-4 (DE-576)014996413 0020-7748 nnns volume:55 year:2016 number:11 day:09 month:07 pages:4731-4739 https://doi.org/10.1007/s10773-016-3096-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_70 33.00 VZ AR 55 2016 11 09 07 4731-4739 |
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10.1007/s10773-016-3096-6 doi (DE-627)OLC2052399429 (DE-He213)s10773-016-3096-6-p DE-627 ger DE-627 rakwb eng 530 VZ 33.00 bkl Zhang, Bing-Bing verfasserin aut Dense Coding in a Two-Spin Squeezing Model with Intrinsic Decoherence 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2016 Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. Dense coding Initial state Intrinsic decoherence Yang, Guo-Hui aut Enthalten in International journal of theoretical physics Springer US, 1968 55(2016), 11 vom: 09. Juli, Seite 4731-4739 (DE-627)129546097 (DE-600)218277-4 (DE-576)014996413 0020-7748 nnns volume:55 year:2016 number:11 day:09 month:07 pages:4731-4739 https://doi.org/10.1007/s10773-016-3096-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_70 33.00 VZ AR 55 2016 11 09 07 4731-4739 |
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10.1007/s10773-016-3096-6 doi (DE-627)OLC2052399429 (DE-He213)s10773-016-3096-6-p DE-627 ger DE-627 rakwb eng 530 VZ 33.00 bkl Zhang, Bing-Bing verfasserin aut Dense Coding in a Two-Spin Squeezing Model with Intrinsic Decoherence 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2016 Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. Dense coding Initial state Intrinsic decoherence Yang, Guo-Hui aut Enthalten in International journal of theoretical physics Springer US, 1968 55(2016), 11 vom: 09. Juli, Seite 4731-4739 (DE-627)129546097 (DE-600)218277-4 (DE-576)014996413 0020-7748 nnns volume:55 year:2016 number:11 day:09 month:07 pages:4731-4739 https://doi.org/10.1007/s10773-016-3096-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_70 33.00 VZ AR 55 2016 11 09 07 4731-4739 |
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Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. © Springer Science+Business Media New York 2016 |
| abstractGer |
Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. © Springer Science+Business Media New York 2016 |
| abstract_unstemmed |
Abstract Quantum dense coding in a two-spin squeezing model under intrinsic decoherence with different initial states (Werner state and Bell state) is investigated. It shows that dense coding capacity χ oscillates with time and finally reaches different stable values. χ can be enhanced by decreasing the magnetic field Ω and the intrinsic decoherence γ or increasing the squeezing interaction μ, moreover, one can obtain a valid dense coding capacity (χ satisfies χ > 1) by modulating these parameters. The stable value of χ reveals that the decoherence cannot entirely destroy the dense coding capacity. In addition, decreasing Ω or increasing μ can not only enhance the stable value of χ but also impair the effects of decoherence. As the initial state is the Werner state, the purity r of initial state plays a key role in adjusting the value of dense coding capacity, χ can be significantly increased by improving the purity of initial state. For the initial state is Bell state, the large spin squeezing interaction compared with the magnetic field guarantees the optimal dense coding. One cannot always achieve a valid dense coding capacity for the Werner state, while for the Bell state, the dense coding capacity χ remains stuck at the range of greater than 1. © Springer Science+Business Media New York 2016 |
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Dense Coding in a Two-Spin Squeezing Model with Intrinsic Decoherence |
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