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Mixedness and teleportation
S. Bose, V. Vedral
We show that on exceeding a certain degree of mixedness (as quantified by the von Neumann entropy), entangled states become useless for teleporatation. By increasing the dimension…
Geometric quantum computation with NMR
J. A. Jones, V. Vedral, A. Ekert +1
The experimental realisation of the basic constituents of quantum information processing devices, namely fault-tolerant quantum logic gates, requires conditional quantum dynamics,…
Two-state teleportation
L. Henderson, L. Hardy, V. Vedral
Quantum teleportation with additional a priori information about the input state achieves higher fidelity than teleportation of a completely unknown state. However, perfect telepor…
Quantum information distribution via entanglement
Mio Murao, Martin B. Plenio, Vlatko Vedral
We present a generalization of quantum teleportation that distributes quantum information from a sender's -level particle to particles held by remote receivers via an init…
Information, Relative Entropy of Entanglement and Irreversibility
L. Henderson, V. Vedral
Previously proposed measures of entanglement, such as entanglement of formation and assistance, are shown to be special cases of the relative entropy of entanglement. The differenc…
On bound entanglement assisted distillation
V. Vedral
We investigate asymptotic distillation of entanglement in the presence of an unlimited amount of bound entanglement for bi-partite systems. We show that the distillability is still…