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Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences
Article . 2005 . Peer-reviewed
License: Royal Society Data Sharing and Accessibility
Data sources: Crossref
https://dx.doi.org/10.48550/ar...
Article . 2005
License: arXiv Non-Exclusive Distribution
Data sources: Datacite
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Varying constants

Authors: Barrow, John D.;

Varying constants

Abstract

We review properties of theories for the variation of gravitation and fine structure ‘constants’. We highlight some general features of the cosmological models that exist in these theories with reference to recent quasar data that are consistent with time variation in the fine structure constant since a redshift of 3.5. The behaviour of a simple class of varying-alpha cosmologies is outlined in the light of all the observational constraints.

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Keywords

Internationality, Models, Statistical, Physics, Science, Astrophysics (astro-ph), Reproducibility of Results, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), Reference Standards, Astrophysics, Sensitivity and Specificity, General Relativity and Quantum Cosmology, International System of Units, Reference Values, Quantum Theory, Computer Simulation, Algorithms

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    40
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
40
Top 10%
Top 10%
Top 10%
Green