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- W4386092927 abstract "The evidence in favor of a Universe expanding at a constant rate, in contrast to the various episodes of deceleration and acceleration expected in the standard model, has been accumulating for over a decade now. In recent years, this inference has been strengthened by a study of the Friedmann–Lemaître–Robertson–Walker (FLRW) metric in relation to Einstein’s principle of equivalence. This earlier work concluded that the choice of lapse function g_tt = 1 characterizing the FLRW solution to Einstein’s equations is inconsistent with any kind of accelerated cosmic expansion. In this paper, we demonstrate and confirm this important result by directly testing the self-consistency of four well-known FLRW cosmologies. These include the Milne universe, de Sitter space, the Lanczos universe, and the R_h = ct model. We show that only the constantly expanding models (Milne and R_h = ct) are consistent with the principle of equivalence, while de Sitter and Lanczos fail the test. We discuss some of the many consequences of this conclusion." @default.
- W4386092927 created "2023-08-24" @default.
- W4386092927 creator A5048777040 @default.
- W4386092927 date "2023-08-22" @default.
- W4386092927 modified "2023-09-26" @default.
- W4386092927 title "The Friedmann–Lemaître–Robertson–Walker metric and the principle of equivalence" @default.
- W4386092927 doi "https://doi.org/10.31219/osf.io/tfde8" @default.
- W4386092927 hasPublicationYear "2023" @default.
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