Related papers: Subthreshold $\pi\pi$ interference in three-partic…

This paper has been withdrawn

This paper has been withdrawn by the authors; its contents are superseded by that of hep-th/0105305 and hep-th/0212275.

This paper has been withdrawn by the author due to rewritting and skipping crucial sign errors.

The paper has been withdrawn.

This paper has been withdrawn by the authors, due a crucial error in Sec. 3.

This paper has been withdrawn by the author(s), due a crucial sign error in conclusion .

This paper has been withdrawn, and will be superseded by another submission.

The paper has been withdrawn due to very low reproducibility. About 100 samples have been made, only 3 samples show the superconducting-like behavior. We think it may be an unlikely result.

This paper has been withdrawn by the first author due to disagreement with experiments.

This paper has been withdrawn by the authors because it has been submitted to a journal.

This paper is withdrawn.

The paper in its present form has been withdrawn.

This paper has been withdrawn.

The paper was withdrawn by the authors

This paper has been withdrawn by the author due to a crucial sign error in equation 1.

This paper has been withdrawn: it has been merged with the preprint to which it refers.

This paper has been withdrawn as it has been superseded by postings arXiv:quant-ph/0702147 and arXiv:0712.2935

This paper has been withdrawn by the author.

The paper is withdrawn.

This paper has been withdrawn by the authors.