Related papers: Interactions of two D-branes and String--D-brane w…

This paper has been withdrawn by the author due to the inaccurate result.

This paper has been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author, since the author does not have enough time to answer every questions on this result.

This paper has been withdrawn by the authors.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This paper is being withdrawn by the authors in order to correct some errors and also to introduce improved theoretical techniques.

This paper has been withdrawn by the author due to incomplete interpretation for the results.

This paper has been withdrawn by the author due to a crucial mistakes.

This paper has been withdrawn by the author due to a gap in the proof of the main result.

This paper has been withdrawn by the author(s), due to double submission.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This paper has been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author(s), due a crucial error in Eqn. 30.

This paper has been temporarily withdrawn by the authors.

The paper is withdrawn by the author due to an oversimplified and misleading approach which was taken initially as a starting point.

Major mistake. The paper has been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the authors due to an error.

This paper has been withdrawn by the author since the comments have been withdrawn.

This paper was withdrawn as it may have appeared elsewhere, although in a different form.