Maximizing the entanglement of two mixed qubits

A. G. White; D. F. V. James; P. G. Kwiat; W. J. Munro

Maximizing the entanglement of two mixed qubits

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arxiv quant-ph/0103113 v1 pith:7GJ3P6TF submitted 2001-03-20 quant-ph

W. J. Munro , D. F. V. James , A. G. White , P. G. Kwiat This is my paper · ORCID

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Two-qubit states occupy a large and relatively unexplored Hilbert space. Such states can be succinctly characterized by their degree of entanglement and purity. In this letter we investigate entangled mixed states and present a class of states that have the maximum amount of entanglement for a given linear entropy.

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Polarization, Maximal Concurrence, and Pure States in High-Energy Collisions
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Local spin polarization imposes an upper bound on concurrence in two-qubit systems that is saturated by pure states, and this bound lowers maximal entanglement in the polarized e+e- to Z to qqbar process relative to t...

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