Mixed Entanglement of Triqubit Pure States

Bo Chong; Jiayu Wang; Boyang Chen; Dongping Tian

doi:10.3788/LOP202259.1127001

Journals >Laser & Optoelectronics Progress >Volume 59 >Issue 11 >Page 1127001 > Article

Laser & Optoelectronics Progress
Vol. 59, Issue 11, 1127001 (2022)

Mixed Entanglement of Triqubit Pure States

Bo Chong, Jiayu Wang^*, Boyang Chen, and Dongping Tian

Author Affiliations

School of Science, Xi'an University of Architecture & Technology, Xi'an 710055, Shaanxi , China

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DOI: 10.3788/LOP202259.1127001 Cite this Article Set citation alerts

Bo Chong, Jiayu Wang, Boyang Chen, Dongping Tian. Mixed Entanglement of Triqubit Pure States[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1127001 Copy Citation Text

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Positive/Negative	Triple	Double
Positive	$\|000〉$	$\|001〉$ $\|010〉$ $\|100〉$
Negative	$\|111〉$	$\|110〉$ $\|101〉$ $\|011〉$

Table 1. Classifications of eight basis vectors by different relations of their spin z components

Entanglement	$C_{A B}^{2}$	$C_{A C}^{2}$	$C_{B C}^{2}$	$τ$
GHZ entanglement	$= 0$	$= 0$	$= 0$	$> 0$
W entanglement	$> 0$	$> 0$	$> 0$	$= 0$
Mixed entanglement	$> 0$	$> 0$	$> 0$	$> 0$

Table 2. Values of three squared concurrences

C_{A B}^{2}

C_{A C}^{2}

and

C_{B C}^{2}

, and 3-tangle

τ

for different entanglements

Bo Chong, Jiayu Wang, Boyang Chen, Dongping Tian. Mixed Entanglement of Triqubit Pure States[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1127001

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