Related papers: Born--Infeld action for gravitational and electrow…
Born's original 1933 theory of nonlinear electrodynamics (in contrast to the later Born-Infeld theory) is acausal for strong fields. We explore the issue of strong-field causality violation in families of theories containing Born and/or…
This paper has been withdrawn by the author. The content of the previous versions is now covered by the more recent papers - math.DG/0610252 (concerning the Lie group structuren on the gauge groups) - math.DG/0612522 (concerning the weak…
This paper has been withdrawn by the author due to the unsuitable content.
This paper has been withdrawn by the author due to similarity to Author's other paper
This paper is withdrawn. A revised and expanded version of this work is available as hep-ph/9603323.
This paper was withdrawn as it may have appeared elsewhere, although in a different form.
This paper has been withdrawn because the analytic estimates are not confirmed by the numerical calculation of Nilles, Peloso and Sorbo (hep-ph/0102264 and hep-th/0103202).
This paper has been withdrawn by the author because of publication in the journal Earth and Planetary Science Letters (Elsevier), which does not permit preprints at arxiv.org
This paper has been withdrawn because it is a duplicate of [math/0609208].
This paper has been withdrawn to address an omission. It will be resubmitted in the near future.
This paper has been withdrawn by the author because of copyright reasons.
This paper has been withdrawn because the part concerning the definition of global hyperbolicity has already been included in an expanded and clearer way in gr-qc/0611138. The remainder will be also extended and posted.
This paper has been withdrawn by the author because the arguments presented in the paper is incomplete.
This paper has been withdrawn by the author because of copyright reasons.
This paper has been withdrawn by the author due to the error in figure 2, we did not optimized c-value of the supercell, so the results can not give the true physics of this material.
This paper has been withdrawn by authors for significant modification.
This paper has been removed by arXiv administrators because it plagiarizes gr-qc/0105122. This paper also has excessive overlap with the following paper also written by the authors or their collaborators: gr-qc/0502059, gr-qc/0502061,…
This paper has been withdrawn. A significantly revised version will be posted in the near future.
Withdrawn due to the existence of the main result in Phys.Rev. D69 (2004) 105010, hep-th/0312266 (based on earlier results in JHEP 0304 (2003) 039, hep-th/0212008).
This paper has been withdrawn by the author.