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Unit conversions and collected numbers in cosmology

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arxiv 2110.12251 v2 pith:C7HCLFWS submitted 2021-10-23 astro-ph.CO hep-ph

Eemeli Tomberg This is my paper · ORCID
classification astro-ph.COhep-ph
keywords conversionsunitcollectedcosmologyeasynoteuniverseastronomical
verification ladder T0 review T1 audit T2 compute T3 formal
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This note collects together useful unit conversions and numerical values from early universe cosmology. It is a quick reference that can be used to make easy order-of-magnitude estimates. Included are tables for unit conversions, the thermal history of the universe, and collected properties of astronomical objects. The note also introduces a modifiable Mathematica package NaturalUnits (newest version 2.0), which makes it easy to convert between natural and physical units.

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Cited by 2 Pith papers

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

  1. Magnetically assisted primordial scalar perturbations: Scalar-Induced Gravitational Waves

    astro-ph.CO 2026-07 conditional novelty 6.0 of 10

    PMF-sourced scalar perturbations during a kination-like reheating can induce a gravitational-wave background that dominates over the direct PMF tensor signal and may be detectable at mHz-kHz frequencies.

  2. Cosmological scalar perturbations in Horndeski-like gravity

    gr-qc 2025-01 conditional novelty 4.0 of 10

    For a Horndeski-like scalar-tensor model with a chosen background solution, scalar stability and entropy-production bounds restrict the coupling gamma to be non-positive and constrain gamma*Lambda relative to alpha.

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