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quant-ph2000
Experimental requirements for quantum communication complexity protocols
Ernesto F. Galvao
I present a simple two-party quantum communication complexity protocol with higher success rate than the best possible classical protocol for the same task. The quantum protocol is…
quant-ph2000
Tripartite entanglement and quantum relative entropy
E. F. Galvao, M. B. Plenio, S. Virmani
We establish relations between tripartite pure state entanglement and additivity properties of the bipartite relative entropy of entanglement. Our results pertain to the asymptotic…
quant-ph2000
Cloning and quantum computation
Ernesto F. Galvao, Lucien Hardy
We discuss how quantum information distribution can improve the performance of some quantum computation tasks. This distribution can be naturally implemented with different types o…