Related papers: Evidence for the Spin Density Wave in LaFeAsO

This paper has been withdrawn at the request of one of the authors.

This paper has been withdrawn by the authors.

This paper is withdrawn by the authors, a better version is available as hep-ph/0505139.

This paper has been withdrawn by the authors. We are in the process of obtaining more data and will resubmit a modified manuscript in the near future.

This paper is withdrawn. We found a mistake in Lemma 4.1

This paper has been withdrawn by the author due to a crucial error.

This paper has been withdrawn by the author due to a mistake in one of the main lemmas.

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn by the author due to a mistake.

This paper has been withdrawn by the author due to a crucial error.

Major mistake. The paper has been withdrawn.

I show that the claims in Phys. Rev. Lett. 98, 257602 by Betouras et al concerning YMn2O5 are incorect.

The paper is withdrawn. The proof has an error and it requires a different approach.

This paper has been withdrawn by the author due to error in equation (46).

This paper has been withdrawn

The paper has been withdrawn.

This submission has been withdrawn by arXiv administrators because it is a duplicate of 0705.0667.

We have studied the effects of the isoelectronic substitution of Ru for Fe in polycrystalline samples of the spin density wave (SDW) material PrFeAsO. Crystal structures from powder x-ray diffraction at room temperature and transport…

Due to a computational mistake this paper has been withdrawn.

This paper has been withdrawn by the author, due to an error in the proof of Theorem 3.8.