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Eltschka, C.; Osterloh, A.; Siewert, J.; Uhlmann, A.: Three-tangle for mixtures of generalized GHZ and generalized W states. In: New Journal of Physics 10 (2008), 43014. DOI: https://doi.org/10.1088/1367-2630/10/4/043014
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Sum total of downloads: 169
| Abstract: | |
We give a complete solution for the three-tangle of mixed three-qubit states composed of a generalized Greenberger-Horne-Zeilinger (GHZ) state, a vertical bar 000 > + b vertical bar 111 >, and a generalized W state, c vertical bar 001 > + d vertical bar 010 > + f vertical bar 100 >. Using the methods introduced by Lohmayer et al (2006 Phys. Rev. Lett. 97 260502), we provide explicit expressions for the mixed-state three-tangle and the corresponding optimal decompositions for this more general case. Moreover, as a special case, we obtain a general solution for a family of states consisting of a generalized GHZ state and an orthogonal product state. | |
| License of this version: | CC BY-NC-SA 3.0 Unported |
| Document Type: | Article |
| Publishing status: | publishedVersion |
| Issue Date: | 2008 |
| Appears in Collections: | Fakultät für Mathematik und Physik |
distribution of downloads over the selected time period:
downloads by country:
| pos. | country | downloads | ||
|---|---|---|---|---|
| total | perc. | |||
| 1 |  |
Germany | 123 | 72.78% |
| 2 |  |
United States | 21 | 12.43% |
| 3 |  |
China | 11 | 6.51% |
| 4 |  |
United Kingdom | 3 | 1.78% |
| 5 |  |
Taiwan | 2 | 1.18% |
| 6 |  |
Netherlands | 2 | 1.18% |
| 7 |  |
India | 2 | 1.18% |
| 8 |  |
Macau | 1 | 0.59% |
| 9 |  |
Hungary | 1 | 0.59% |
| 10 |  |
Czech Republic | 1 | 0.59% |
| other countries | 2 | 1.18% | ||
Further download figures and rankings:
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