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quant-ph2016
Greenberger-Horne-Zeilinger Symmetry in Four Qubit System
DaeKil Park
Like a three-qubit Greenberger-Horne-Zeilinger(GHZ) symmetry we explore a corresponding symmetry in the four-qubit system, which we call GHZ symmetry. While whole GHZ-symmetric…
quant-ph2016★ 2 cited
Testing the Monogamy Relations via Rank-2 Mixtures
Eylee Jung, DaeKil Park
We introduce two tangle-based four-party entanglement measures and , and two negativity-based measures and , which are derived from the monogamy relations. Th…
quant-ph2016★ 16 cited
Tripartite Entanglement Dynamics in the presence of Non-Markovian Environment
DaeKil Park
We study on the tripartite entanglement dynamics when each party is initially entangled with other parties, but they locally interact with their own non-Markovian environment. Firs…