Related papers: Continuous-Variables Quantum Key Distribution over…

This paper has been withdrawn by the authors because the results obtained have been reported earlier by other authors.

The paper has been withdrawn.

The paper has been withdrawn

This paper has been withdrawn.

This paper has been withdrawn by the author

The paper is withdrawn.

This paper has been withdrawn.

This paper has been temporarily withdrawn by the authors.

This paper is withdrawn. See quant-ph/9806031 for a discussion.

This paper has been withdrawn by the author due to the need for further revision.

This paper has been withdrawn by the authors due to some technical problems in the paper.

This paper is withdrawn.

The paper has been withdrawn

This paper has been withdrawn by the authors, due a oversimplified decoherence model. It will be substituted by a new work.

This paper has been withdrawn.

This paper has been withdrawn by the author.

The paper has been withdrawn.

This paper has been withdrawn by the author due to a crucial problem associated with Figs. 2 and 3.

%auto-ignore Paper has been withdrawn by the author.

This paper has been withdrawn: it does not evade the no-go results of Mayers, Lo and Chau, to whom I am most grateful for helpful correspondences.