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quant-ph2001★ 2.4k cited
Classical, quantum and total correlations
L. Henderson, V. Vedral
We discuss the problem of separating consistently the total correlations in a bipartite quantum state into a quantum and a purely classical part. A measure of classical correlation…
quant-ph2001★ 3 cited
Are all noisy quantum states obtained from pure ones?
L. Henderson, N. Linden, S. Popescu
We ask what type of mixed quantum states can arise when a number of separated parties start by sharing a pure quantum state and then this pure state becomes contaminated by noise.…