Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1864643 | Physics Letters A | 2008 | 4 Pages |
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
Piroska Dömötör, Mihály G. Benedict,