A simple entanglement measure for multipartite pure states
arXiv:quant-ph/0405133 · doi:10.1023/B:IJTP.0000048612.08077.8e
Abstract
A simple entanglement measure for multipartite pure states is formulated based on the partial entropy of a series of reduced density matrices. Use of the proposed new measure to distinguish disentangled, partially entangled, and maximally entangled multipartite pure states is illustrated.
8 pages LaTeX