Three-Tangle of Three-Qubit Werner States Using Symmetry
We use the symmetry of three-qubit Werner states to compute analytically the three-party entanglement measure known as three-tangle for these states. The computation shows that three-qubit Werner states have vanishing three-tangle. Also the optimal pure-state decompositions realizing the vanishing t...
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| Veröffentlicht in: | International journal of theoretical physics 2022, Vol.61 (1), Article 12 |
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| creator | Akbari-Kourbolagh, Y. Shahhoseini, E. |
| description | We use the symmetry of three-qubit Werner states to compute analytically the three-party entanglement measure known as three-tangle for these states. The computation shows that three-qubit Werner states have vanishing three-tangle. Also the optimal pure-state decompositions realizing the vanishing three-tangle are found. Moreover, the Coffman-Kundu-Wootters inequality is checked by computing one-tangle and concurrences of Werner states. It is found that the one-tangle is always greater than the sum of squared concurrences and three-tangle. |
| doi_str_mv | 10.1007/s10773-022-05002-3 |
| format | Article |
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| subjects | Elementary Particles Entanglement Mathematical and Computational Physics Physics Physics and Astronomy Quantum Field Theory Quantum Physics Symmetry Theoretical |
| title | Three-Tangle of Three-Qubit Werner States Using Symmetry |
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