Characterizing multiparticle entanglement in symmetric N-qubit states via negativity of covariance matrices.

Devi, A R Usha

Characterizing multiparticle entanglement in symmetric N-qubit states via negativity of covariance matrices. [electronic resource] - Physical review letters Feb 2007 - 060501 p. digital

Publication Type: Journal Article

0031-9007

10.1103/PhysRevLett.98.060501 doi