# Note on varying speed of light cosmologies

@article{Ellis2007NoteOV, title={Note on varying speed of light cosmologies}, author={George F R Ellis}, journal={General Relativity and Gravitation}, year={2007}, volume={39}, pages={511-520} }

The various requirements on a consistent varying speed of light (‘VSL’) theory are surveyed, giving a short check-list that needs to be satisfied by such theories.

## 34 Citations

The speed of light in extended gravity theories

- Physics
- 2009

We shall investigate the possibility of formulation of varying speed of light (VSL) in the framework of Palatini nonlinear Ricci scalar and Ricci squared theories. Different speeds of light including…

The minimally extended Varying Speed of Light (meVSL)

- Physics
- 2020

Even though there have been various models of the time-varying speed of light (VSL), they remain out of the mainstream because of their possible violation of physics laws built into fundamental…

The Variable-c Cosmology as a Solution to Pioneer Anomaly

- Physics
- 2010

It is shown that the Pioneer anomaly is a natural consequence of variable speed of light cosmological models wherein the speed of light is assumed to be a power-law function of the scale factor (or…

The VSL Discussion: What Does Variable Speed of Light Mean and Should we be Allowed to Think About ?

- Physics
- 2008

Abstract In the past years, variable speed of light (VSL) theories have been of growing interest but also a sub-ject of controversial discussion. They have been accused both for tautologies and for…

How to Reconstruct a Varying Speed of Light Signal from Baryon Acoustic Oscillations Surveys

- Physics
- 2017

We describe an alternative way to use future Baryon Acoustic Oscillation observations to perform non-mainstream research. We focus on the so-called Varying Speed of Light theories, in which the speed…

VARIABLE SPEED OF LIGHT THEORIES: A THERMODYNAMIC ANALYSIS OF PLANETARY AND WHITE DWARF PHENOMENA

- Physics
- 2011

The thermodynamics of a scalar field interacting with a perfect fluid is studied, and observable consequences of the covariant variable speed of light (VSL) theory proposed by J. Magueijo are…

Relativistic particle as energy source: Optimum speed of the particle for maximum power transfer

- Physics2011 1st International Conference on Electrical Energy Systems
- 2011

Variable speed of light (VSL) is an emerging concept in Physics which states that the speed of light is not conxtant. Using this theory it is shown in our earlier work [1], that relativistic particle…

A model-independent test of speed of light variability with cosmological observations

- Physics
- 2021

A powerful test of fundamental physics consists on probing the variability of fundamental constants in Nature. Although they have been measured on Earth laboratories and in our Solar neighbourhood…

Thermodynamics in variable speed of light theories

- Physics
- 2009

The perfect fluid in the context of a covariant variable speed of light theory proposed by J. Magueijo is studied. On the one hand the modified first law of thermodynamics together with a recipe to…

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