2004/09/14 by Zai-Zhe Zhong, Zhong, Zai-Zhe
Physics and Astronomy · #FOS: Physical sciences #Quantum Physics (quant-ph) #quant-ph
paper · pdf · doi:10.48550/arxiv.quant-ph/0409080
This paper has been withdrawn
arxiv created 2005/05/24 · arxiv updated 2009/12/01
In this paper has been withrawn by the author due the error in the proof of theoem 1.