Related papers: Dispersion relation for electromagnetic wave propa…

The original version of this paper has been withdrawn by the authors and merged with the revised version of astro-ph/9702014.

This paper has been withdrawn due to upload of another version of it as a new preprint: gr-qc/0404097

This paper has been withdrawn by the author, due to the fact that a similar paper (quant-ph/9904075) has been published.

This paper has been withdrawn by the author due to similarity to the author's other paper

This paper was withdrawn by the authors due to the belated discovery of a published paper showing similar results.

This paper has been withdrawn by the author because the arguments presented in the paper is incomplete.

This has been withdrawn by the author. A rewrite of some of the material is currently in progress.

This paper has been withdrawn by the authors due to a critical error discovered in Figures 1, 2 and 4.

This submission has been withdrawn by arXiv administrators because it is a duplicate of 0705.0667.

This paper has been withdrawn. Please see astro-ph/0502366.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author because of copyright reasons.

This paper has been withdrawn. A significantly revised version will be posted in the near future.

This paper was withdrawn by arXiv administrators. It is an erroneous duplicate submission of math.NA/0405095.

unpublished; this paper has been withdrawn.

This paper has been withdrawn due to that the same conclusion has been proposed before.

This paper has been withdrawn

This paper has been withdrawn by the author because of copyright reasons.

This paper has been withdrawn by the authors due to overlap with other papers.

This paper has been withdrawn due to an error in section 3.