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High Energy Physics - Theory

arXiv:0810.5377 (hep-th)
[Submitted on 29 Oct 2008 (v1), last revised 18 Jul 2010 (this version, v4)]

Title:Brane cosmology in the Horava-Witten heterotic M-Theory on $S^{1}/Z_{2}$

Authors:Qiang Wu, Yungui Gong, Anzhong Wang
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Abstract:We study the radion stability and radion mass in the framework of the Horava-Witten (HW) heterotic M-Theory on $S^{1}/Z_{2}$, and find that the radion is stable and its mass can be of the order of GeV. The gravity is localized on the visible brane, and the spectrum of the gravitational Kaluza-Klein (KK) modes is discrete and can have a mass gap of TeV. The corrections to the 4D Newtonian potential from the higher order gravitational KK modes are exponentially suppressed. Applying such a setup to cosmology, we find the generalized Friedmann-like equations on each of the two orbifold branes.
Comments: Version published in JCAP, 06 (2009) 015
Subjects: High Energy Physics - Theory (hep-th); Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:0810.5377 [hep-th]
  (or arXiv:0810.5377v4 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.0810.5377
Related DOI: https://doi.org/10.1088/1475-7516/2009/06/015

Submission history

From: Anzhong Wang [view email]
[v1] Wed, 29 Oct 2008 22:43:27 UTC (17 KB)
[v2] Wed, 18 Mar 2009 02:40:14 UTC (276 KB)
[v3] Thu, 21 May 2009 18:50:01 UTC (278 KB)
[v4] Sun, 18 Jul 2010 16:00:56 UTC (278 KB)
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