Related papers: Unified Expressions Of All Differential Variationa…

This paper has been withdrawn by the authors because the paper is largely revised and improved.

This paper has been withdrawn because the content has been substantially improved in a later paper, arXiv:0806.1165.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the author.

This paper has been withdrawn.

This paper has been withdrawn Abstract: This paper has been withdrawn by the author due to the publication.

This paper has been withdrawn by the authors due to new experimental results.

This paper has been withdrawn.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the authors. A substantially altered paper will be submitted incorporating major corrections, additions and improvements.

This paper has been withdrawn by the author.

The paper has been withdrawn by authors.

This paper has been withdrawn by the author due to a gap in the proof of the main result.

The paper has been withdrawn by the author, due to it being fundamentally flawed.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

This paper has been withdrawn by the author due to its main result being included in cond-mat/0403309 by the same author.

This paper has been withdrawn by authors for significant modification.

This paper has been withdrawn by the authors as they feel it inappropriate to publish this paper for the time being.

This paper has been withdrawn.

This paper has been withdrawn by the author due to rewritting and skipping crucial sign errors.

This paper has been withdrawn by the author due to the incorrect argument for the security.