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quant-ph2009★ 1 cited
Effect of Phase Factor in the Geometric Entanglement Measure of Three-Qubit States
Sayatnova Tamaryan, Hungsoo Kim, Mu-Seong Kim +2
Any pure three-qubit state is uniquely characterized by one phase and four positive parameters. The geometric measure of entanglement as a function of state parameters can have dif…
quant-ph2009
Effect of Decoherence in Ekert-Protocol
DaeKil Park, Jin-Woo Son, Seong-Keuck Cha +1
We have examined the effect of the decoherence in the Ekert91 quantum cryptographic protocol. In order to explore this issue we have introduced two major decoherences, the depolari…