Related papers: Synchronizing Quantum Paths of a Universal Quantum…

This paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn by the authors, due a oversimplified decoherence model.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.

The paper has been withdrawn

This paper has been withdrawn.

The paper has been withdrawn because the research work is still in progress.

This paper has been withdrawn.

This paper has been retracted, for obvious reasons.

The paper has been withdrawn.

This paper is withdrawn.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

This paper has been withdrawn by the author.

This paper has been withdrawn.

This paper has been withdrawn by the authors due to some technical problems in the paper.

This paper was withdrawn by the author. It turns out that similar ideas have been presented before. The author apologizes.

This paper has been superseded by quant-ph/9908074.

This paper has been withdrawn

This paper has been withdrawn by the author due to the incorrect argument for the security.

This paper has been withdrawn by the author(s), due to some technical problem.

This paper has been withdrawn by the author, due to the insecurity against attacks received in quant-ph/0605027v5.

This paper has been withdrawn.