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- University of KaiserslauternDE20 papers
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5 papers · 2 filters
Three-Tangle for Rank-3 Mixed States: mixture of Greenberger-Horne-Zeilinger, W and flipped W states
Eylee Jung, Mi-Ra Hwang, DaeKil Park +1
Three-tangle for the rank-three mixture composed of Greenberger-Horne-Zeilinger, W and flipped W states is analytically calculated. The optimal decompositions in the full range of…
Mixed-State Entanglement and Quantum Teleportation through Noisy Channels
Eylee Jung, Mi-Ra Hwang, DaeKil Park +2
The quantum teleportation with noisy EPR state is discussed. Using an optimal decomposition technique, we compute the concurrence, entanglement of formation and Groverian measure f…
Three-Qubit Groverian Measure
Eylee Jung, Mi-Ra Hwang, DaeKil Park +2
The Groverian measures are analytically computed in various types of three-qubit states. The final results are also expressed in terms of local-unitary invariant quantities in each…
Geometric Measure of Entanglement and Shared Quantum States
Levon Tamaryan, DaeKil Park, Jin-Woo Son +1
We give an explicit expression for the geometric measure of entanglement for three qubit states that are linear combinations of four orthogonal product states. It turns out that th…
GHZ versus W : Quantum Teleportation through Noisy Channels
Eylee Jung, Mi-Ra Hwang, You Hwan Ju +7
Which state does lose less quantum information between GHZ and W states when they are prepared for two-party quantum teleportation through noisy channel? We address this issue by s…