Witness for an entangled state with positive partial transpose
Quantum Physics
2011-01-11 v2
Abstract
In this letter we have analyzed an entangled state in having a positive partial transposition and have shown that it is an edge state. Further we have constructed explicitly a witness operator which detects the entanglement.
Keywords
Cite
@article{arxiv.0903.2320,
title = {Witness for an entangled state with positive partial transpose},
author = {Nirman Ganguly and Binayak. S. Choudhury},
journal= {arXiv preprint arXiv:0903.2320},
year = {2011}
}
Comments
The paper is withdrawn after noticing some errors