相关论文: The four-qubit singlet state and decoherence-free …

This paper has been withdrawn by the authors due to substantial changes.

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This paper has been withdrawn by the author, due to the insecurity against attacks received in quant-ph/0605027v5.

This paper has been withdrawn by the author

This paper is withdrawn by the authors.

This paper has been withdrawn by the author because overcame by arXiv:0910.4694

This paper has been withdrawn by the author, due to an error in relation (11).

This paper has been withdrawn by the author

This paper has been withdrawn by the author due to some problems.

This paper has been withdrawn by the author.

This paper had been withdrawed

This paper has been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author

This paper has been withdrawn for the reasons mentioned in the Comments.

The paper has been withdrawn

This paper has been withdrawn by the author due to inconsistency of the considered working hypothesis. The consistent treatment is presented in the last publications of the author.