Article ID Journal Published Year Pages File Type
1864643 Physics Letters A 2008 4 Pages PDF
Abstract

We consider an N   qubit system and show that in the symmetric subspace, SS, a pure state is not globally entangled, iff it is a coherent state. It is also proven that in the orthogonal complement S⊥S⊥ all states are globally entangled.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Physics and Astronomy (General)
Authors
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