Comment on ``Geometric phase of entangled spin pairs in a magnetic field''
Quantum Physics
2009-11-13 v1
Abstract
The degree of entanglement between two spins may change due to interaction. About this we find that a wrong result in a recent work by Ge and Wadati [Phys. Rev. A {\bf72}, 052101(2005)] which breach the basic principle.
Keywords
Cite
@article{arxiv.0708.0292,
title = {Comment on ``Geometric phase of entangled spin pairs in a magnetic field''},
author = {Yang Xiang and Shi-Jie Xiong},
journal= {arXiv preprint arXiv:0708.0292},
year = {2009}
}
Comments
2 pages, comment on Phys. Rev. A {\bf72}, 052101(2005), and to appear in Phys. Rev. A