The Mythical Snake which Swallows its Tail: Einstein's matter world
Galina Weinstein

TL;DR
This paper offers a new interpretation of Einstein's cosmological ideas from 1917 to 1931, highlighting the evolution of his views on the universe's structure, the cosmological constant, and observational evidence.
Contribution
It provides a novel perspective on Einstein's changing stance on cosmological models and the role of the cosmological constant during a pivotal period in cosmology.
Findings
Einstein initially introduced the cosmological constant to achieve a static universe.
He later abandoned the constant after the discovery of universe expansion.
The paper reinterprets Einstein's theoretical and observational considerations during 1917-1931.
Abstract
In 1917 Einstein introduced into his field equations a cosmological term having the cosmological constant as a coefficient, in order that the theory should yield a static universe. Einstein desired to eliminate absolute space from physics according to "Mach's ideas". De Sitter objected to the "world-matter" in Einstein's world, and proposed a vacuum solution of Einstein's field equations with the cosmological constant and with no "world-matter". In 1920 the world-matter of Einstein's world was equivalent to "Mach's Ether", a carrier of the effects of inertia. De Sitter's 1917 solution predicted a spectral shift effect. In 1923 Eddington and Weyl adopted De Sitter's model and studied this effect. Einstein objected to this "cosmological problem". In 1922-1927, Friedmann and Lamaitre published dynamical universe models. Friedmann's model with cosmological constant equal to zero was the…
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Taxonomy
TopicsRelativity and Gravitational Theory · Cosmology and Gravitation Theories · History and Developments in Astronomy
