Local symmetry properties of pure 3-qubit states
Quantum Physics
2009-11-06 v5
Abstract
Entanglement types of pure states of 3 qubits are classified by means of their stabilisers in the group of local unitary operations. It is shown that the stabiliser is generically discrete, and that a larger stabiliser indicates a stationary value for some local invariant. We describe all the exceptional states with enlarged stabilisers.
Keywords
Cite
@article{arxiv.quant-ph/0001091,
title = {Local symmetry properties of pure 3-qubit states},
author = {H A Carteret and A Sudbery},
journal= {arXiv preprint arXiv:quant-ph/0001091},
year = {2009}
}
Comments
32 pages, 5 encapsulated PostScript files for 3 figures. Published version, with minor corrections