On maximal entanglement between two pairs in four-qubit pure states

Details On maximal entanglement between two pairs in four-qubit pure states On maximal entanglement between two pairs in four-qubit pure states

2007-04-23

arxiv.org/abs/0704.2961v2

J. Phys. A: Math. Theor. 40 (2007) 8455-8465

Physics

Quantum Physics

Additional paragraph added referring to the proposed state in relation to bipartite entanglement and the concurrence. Referenc

Scientific paper

10.1088/1751-8113/40/29/018

We show that the state with the highest known average two-particle von
Neumann entanglement entropy proposed by Sudbery and one of the authors gives a
local maximum of this entropy. We also show that this is not the case for an
alternative highly entangled state proposed by Brown et al.

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