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A Comment on Self-Tuning and Vanishing Cosmological Constant in the Brane World

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arxiv hep-th/0002164 v2 pith:Y4G7JSPX submitted 2000-02-20 hep-th gr-qchep-ph

Stefan Forste , Zygmunt Lalak , Stephane Lavignac , Hans Peter Nilles This is my paper · ORCID
classification hep-thgr-qchep-ph
keywords braneconstantcosmologicalcommentvanishingcancellationcontributionsdescribe
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In this note we elaborate on various five dimensional contributions to the effective 4D cosmological constant in brane systems. In solutions with vanishing 5D cosmological constant we describe a non-local mechanism of cancellation of vacuum energy between the brane and the singularities. We comment on a hidden fine tuning which is implied by this observation.

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  1. Dark Energy and the Symbiosis Between Micro-physics and Cosmology (Naturally)

    hep-th 2025-08 unverdicted novelty 2.0 of 10

    A review arguing that technical naturalness, powered by low-energy scale invariance and supersymmetric extra dimensions, is the most promising route to solving the cosmological constant problem.

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