Related papers: Joint quantum measurements and Poisson bracket inv…

This paper has been withdrawn by the authors, due a oversimplified decoherence model.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This paper has been withdrawn by the author.

This paper has been withdrawn by the author

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This paper has been withdrawn by the author due to some problems.

This paper has been withdrawn by the author, due an error in the proof of Proposion 2.13.

This paper was withdrawn by the author.

This paper has been withdrawn by the authors due to an unlikely results.

This paper has been withdrawn because it is superseded by quant-ph/9905084 "Bayesian analysis of Bell inequalities.

This paper has been withdrawn at the request of one of the authors.

This paper has been withdrawn by the author(s). Please see arXiv:0711.3910 for revision.

This paper has been withdrawn.

This paper has been withdrawn by the author, as it is now incorporated in 0901.4506 (v4)

This paper is withdrawn.

This paper has been withdrawn, and will be superseded by another submission.

This paper has been withdrawn by the authors. We have discovered an error in the evaluation of the diagram, which invalidates our conclusion.

This paper has been withdrawn by the author due to the unsure solution to the Dyson-Schwinger equation.

This paper has been withdrawn by the authors

The paper has been withdrawn.