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Purification via entanglement swapping and conserved entanglement
S. Bose, V. Vedral, P. L. Knight
We investigate the purification of entangled states by local actions using a variant of entanglement swapping. We show that there exists a measure of entanglement which is conserve…
Mixed state dense coding and its relation to entanglement measures
S. Bose, M. B. Plenio, V. Vedral
Ideal dense coding protocols allow one to use prior maximal entanglement to send two bits of classical information by the physical transfer of a single encoded qubit. We investigat…
Quantum telecloning and multiparticle entanglement
M. Murao, D. Jonathan, M. B. Plenio +1
A quantum telecloning process combining quantum teleportation and optimal quantum cloning from one input to M outputs is presented. The scheme relies on the establishment of partic…
Entanglement in Quantum Information Theory
Martin B. Plenio, Vlatko Vedral
Quantum mechanics has many counter-intuitive consequences which contradict our intuition which is based on classical physics. Here we discuss a special aspect of quantum mechanics,…
Basics of Quantum Computation
Vlatko Vedral, Martin B. Plenio
Quantum computers require quantum logic, something fundamentally different to classical Boolean logic. This difference leads to a greater efficiency of quantum computation over its…