Related papers: Electron-electron interaction correction to conduc…

This paper has been withdrawn by the authors, since the reference citation were not appropriately arranged.

This paper has been withdrawn by the author

This paper was withdrawn by the authors due to the belated discovery of a published paper showing similar results.

This paper has been withdrawn by the authors due to inadequate arguments.

This paper has been withdrawn by the author

This paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn by the authors.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This paper has been withdrawn by the author(s) due to the discussion was made on the basis of linear term merely, which is incomplete.

This paper has been withdrawn by the author due to rewritting and skipping crucial sign errors.

This paper has been withdrawn by the author due to time-consuming revision.

This paper has been withdrawn by the author, due to a significant error in section 4.3.1.

This paper has been withdrawn since it was an inadvertant double submission. An updated version of the original submission can be found at quant-ph/0505131

This paper has been withdrawn by the author.

The paper has been withdrawn by the author, due to it being fundamentally flawed. The author apologizes for any inconvenience it may have caused.

The author has recognized an error in the section of the text regarding induced Compton scattering. The paper has been withdrawn pending a revision to this section.

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn.

This paper has been withdrawn due to an error in section 3.

Major mistake. The paper has been withdrawn.