An algebraic approach to the study of multipartite entanglement

Details An algebraic approach to the study of multipartite entanglement An algebraic approach to the study of multipartite entanglement

2012-04-10

arxiv.org/abs/1204.2227v1

Physics

Quantum Physics

Scientific paper

A new class of functionals associated to pure quantum states describing multipartite systems is provided on the basis of a simple and intuitive idea. We investigate their properties, showing in particular that such quantities are strictly connected to the concept of purity. We moreover prove that simoultaneous maximization of relevant functionals in the case of three-qubit states is compatible only with the structure of GHZ-states.

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