A bipartite class of entanglement monotones for N-qubit pure states

Clive Emary

Published 2004-05-11Version 1

We construct a class of algebraic invariants for N-qubit pure states based on bipartite decompositions of the system. We show that they are entanglement monotones, and that they differ from the well know linear entropies of the sub-systems. They therefore capture new information on the non-local properties of multipartite systems.