At the heart of this debate is the distinction between the Friedmann-Lemaître-Robertson-Walker model and a different model called "timescape" cosmology put forward by David Wiltshire and others ...

“A simple expansion law consistent with Einstein’s general relativity does not have to obey Friedmann’s equation,” he added in the press release. While the timescape model offers a ...

Central to this debate is the contrast between the Friedmann-Lemaître-Robertson-Walker (FLRW) model and an alternative theory called "timescape" cosmology. Sign up for Chip Chick's newsletter and ...

Observations reveal a spatially flat, radiation-dominated cosmos described by a Friedmann–Robertson ... align with the prevailing inflationary model, which suggests that an era of rapid ...

In this model, I start with a braneworld scenario ... This led to the dynamics, which mimics the standard Friedmann equation, but now the scalar field G effectively plays the role of matter ...