Colliding Branes in Heterotic M-theory

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dc.creatorLehners, Jean-Luc
dc.creatorMcFadden, Paul
dc.creatorTurok, Neil
dc.date2006-11-24
dc.date2007-02-12
dc.date.accessioned2026-07-07T11:23:15Z
dc.date.available2026-07-07T11:23:15Z
dc.descriptionWe study the collision of two flat, parallel end-of-the-world branes in heterotic M-theory. By insisting that there is no divergence in the Riemann curvature as the collision approaches, we are able to single out a unique solution possessing the local geometry of (2d compactified Milne)/Z_2 x R_3, times a finite-volume Calabi-Yau manifold in the vicinity of the collision. At a finite time before and after the collision, a second type of singularity appears momentarily on the negative-tension brane, representing its bouncing off a zero of the bulk warp factor. We find this singularity to be remarkably mild and easily regularised. The various different cosmological solutions to heterotic M-theory previously found by other authors are shown to merely represent different portions of a unique flat cosmological solution to heterotic M-theory.
dc.description29 pp, 4 figs; Appendix B revised to include junction condition for scalar
dc.identifierhttps://arxiv.org/abs/hep-th/0611259
dc.identifierhttp://arxiv.org/abs/hep-th/0611259
dc.identifierPhys.Rev.D75:103510,2007
dc.identifierdoi:10.1103/PhysRevD.75.103510
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194830
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleColliding Branes in Heterotic M-theory
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