On Dynamical Adjustment Mechanisms for the Cosmological Constant

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dc.creatorHebecker, A.
dc.date2001-05-30
dc.date.accessioned2026-07-07T03:44:38Z
dc.date.available2026-07-07T03:44:38Z
dc.descriptionAfter recalling why dynamical adjustment mechanisms represent a particularly attractive possibility for solving the cosmological constant problem, we briefly discuss their intrinsic difficulties as summarized in Weinberg's no-go theorem. We then comment on some problems of the recently proposed `self-tuning' mechanism in 4+1 dimensions. Finally, we describe an alternative approach which uses the time-evolution of the universe to achieve a dynamical relaxation of the cosmological constant to zero.
dc.description4 pages LaTeX, talk at PASCOS 2001, Chapel Hill, North Carolina, 10-15 April 2001
dc.identifierhttps://arxiv.org/abs/hep-ph/0105315
dc.identifierhttp://arxiv.org/abs/hep-ph/0105315
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/40641
dc.subjectHigh Energy Physics - Phenomenology
dc.titleOn Dynamical Adjustment Mechanisms for the Cosmological Constant
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