Polynomial method to study the entanglement of pure N-qubit states
Quantum Physics
2015-05-13 v2
Abstract
We present a mapping which associates pure N-qubit states with a polynomial. The roots of the polynomial characterize the state completely. Using the properties of the polynomial we construct a way to determine the separability and the number of unentangled qubits of pure N-qubit states.
Cite
@article{arxiv.0908.1727,
title = {Polynomial method to study the entanglement of pure N-qubit states},
author = {H. Mäkelä and A. Messina},
journal= {arXiv preprint arXiv:0908.1727},
year = {2015}
}
Comments
7 pages. Extensively revised and shortened