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High Energy Physics - Phenomenology

arXiv:0711.1597 (hep-ph)
[Submitted on 10 Nov 2007 (v1), last revised 2 Apr 2008 (this version, v2)]

Title:Cosmological constant and late transient acceleration of the universe in the Horava-Witten Heterotic M-Theory on S^{1}/Z_{2}

Authors:Yungui Gong, Anzhong Wang, Qiang Wu
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Abstract: Orbifold branes are studied in the framework of the 11-dimensional Horava-Witten heterotic M-Theory. It is found that the effective cosmological constant can be easily lowered to its current observational value by the mechanism of large extra dimensions. The domination of this constant over the evolution of the universe is only temporarily. Due to the interaction of the bulk and the branes, the universe will be in its decelerating expansion phase again in the future, whereby all problems connected with a far future de Sitter universe are resolved.
Comments: latex4 file, one figure. Version to be published in Physics Letters B
Subjects: High Energy Physics - Phenomenology (hep-ph); Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
Cite as: arXiv:0711.1597 [hep-ph]
  (or arXiv:0711.1597v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.0711.1597
Journal reference: Phys.Lett.B663:147-151,2008
Related DOI: https://doi.org/10.1016/j.physletb.2008.04.003

Submission history

From: Anzhong Wang [view email]
[v1] Sat, 10 Nov 2007 13:14:03 UTC (14 KB)
[v2] Wed, 2 Apr 2008 20:43:53 UTC (16 KB)
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