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Trans-Planckian Censorship Conjecture and Early Universe Cosmology

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arxiv 2102.09641 v2 pith:2ZPH4PBC submitted 2021-02-18 hep-th astro-ph.COgr-qchep-ph

Robert Brandenberger (McGill University) This is my paper · ORCID
classification hep-thastro-ph.COgr-qchep-ph
keywords universecensorshipconjecturecosmologyearlyinflationaryscenariotrans-planckian
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I review the "Trans-Planckian Censorship Conjecture" (TCC) and its implications for cosmology, in particular for the inflationary universe scenario. Whereas the inflationary scenario is tightly constrained by the TCC, alternative early universe scenarios are not restricted.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. TransPlanckian Censorship on Dark Dimension Inflation

    hep-th 2026-07 conditional novelty 6.0 of 10

    TransPlanckian Censorship forces dark-dimension inflation into a narrow one-dimension window with a pre-inflationary phase and suppresses tensor modes to r < 10^-10.

  2. Stochastic Survival near Swampland Boundaries

    hep-th 2026-06 unverdicted novelty 6.0 of 10

    Surviving inflationary histories develop a universal inward drift near any hard swampland boundary — two times the diffusion over the distance to the edge — regardless of the cutoff's microscopic origin.

  3. Probing the Weak Gravity Conjecture: Novel Aschenbach Signatures in Superextremal Non-Linear Charged AdS Black Holes

    gr-qc 2025-08 conditional novelty 4.0 of 10

    The Aschenbach angular-velocity reversal appears for an extremal, supercritically charged AdS black hole in massive gravity, supporting the claim that the effect survives beyond ordinary extremality.

  4. Breaking Free from the Swampland of Impossible Universes through the DESI Portal

    astro-ph.CO 2026-05 unverdicted novelty 3.0 of 10

    DESI data indicating evolving dark energy may allow string theory to describe observed universes without violating swampland constraints on constant dark energy.

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