Correlative Capacity of Composite Quantum States

Details Correlative Capacity of Composite Quantum States Correlative Capacity of Composite Quantum States

2009-08-07

arxiv.org/abs/0908.1132v1

Phys. Rev. Lett. 103, 230502 (2009)

Physics

Quantum Physics

4 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.103.230502

We characterize the optimal correlative capacity of entangled, separable, and classically correlated states. Introducing the notions of the infimum and supremum within majorization theory, we construct the least disordered separable state compatible with a set of marginals. The maximum separable correlation information supportable by the marginals of a multi-qubit pure state is shown to be an LOCC monotone. The least disordered composite of a pair of qubits is found for the above classes, with classically correlated states defined as diagonal in the product of marginal bases.

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