Related papers: A Gr\"obner basis proof of the flat extension theo…

This paper has been withdrawn by the author due to a gap in the proof of Lemma 3.4

This paper has been withdrawn by the author(s), due to double submission. You can find it under: physics/0208019

This paper has been withdrawn by the authors because of an error in the proof. We can, however, prove a weaker spatial fall-off that is still superlinear, namely exp[-x log x].

This paper has been withdrawn by the author because Lemma 3 is incorrect. This mistake is crucial in this paper.

This paper has been withdrawn due to an error, and no further revisions will be made.

The paper has been withdrawn by authors. The issues studied in this paper were changed so much that we have published a new paper considering these issues. See hep-th/0406074

This paper has been withdrawn.

This paper has been withdrawn by the author due to an error in an inequality in the proof of Theorem 1.1.

This submission has been withdrawn at the request of the author.

The paper has been withdrawn by the authors

This paper has been withdrawn by the authors due to a crucial error in eqn 27.

This paper has been withdrawn because of serious errors.

The paper has been withdrawn

This paper has been withdrawn by the author, due to a significant error in section 4.3.1.

The paper has been withdrawn by the author due to a gap in Proof of Theorem 1.1.

This paper has been withdrawn by the author due to the error in figure 2, we did not optimized c-value of the supercell, so the results can not give the true physics of this material.

This paper has been withdrawn by the author due to an error estimate in Lemma 3.1.

This paper has been withdrawn by the author due to an error in the data-analysis.

This paper was withdrawn by the authors.

This paper has been withdrawn by the author(s), due a crucial error on the entanglement of $\Gamma$ registers.