Entanglement monotones for multi-qubit states based on geometric invariant theory
arXiv:quant-ph/0507077 · doi:10.1063/1.2162814
Abstract
We construct entanglement monotones for multi-qubit states based on Plücker coordinate equations of Grassmann variety, which are central notion in geometric invariant theory. As an illustrative example, we in details investigate entanglement monotones of a three-qubit state.
6 pages