Time-like vs Space-like Extra Dimensions

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dc.creatorQuiros, Israel
dc.date2007-07-05
dc.date.accessioned2026-07-07T08:14:47Z
dc.date.available2026-07-07T08:14:47Z
dc.descriptionHigher-dimensional theories with time-like and space-like extra dimensions are compared both from the conceptual and from the phenomenological points of view. In this context causality and unitarity are discussed. It is shown that additional time-like dimensions allow to recover four-dimensional phenomenology without invoking neither Kaluza-Klein compactification procedure nor brane world construct. It is shown, also, that contrary to scenarios with space-like extra dimensions, in higher-dimensional space-times with additional time-like dimensions the cosmological constant problem can be safely solved.
dc.description5 pages, no figures
dc.identifierhttps://arxiv.org/abs/0707.0714
dc.identifierhttp://arxiv.org/abs/0707.0714
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/133250
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTime-like vs Space-like Extra Dimensions
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