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- W2964134502 abstract "Here we give a more detailed account of the part of the conference report that was devoted to reinterpreting the Einstein `unified models of gravity and electromagnetism' (1923) as the unified theory of dark energy (cosmological constant) and dark matter (neutral massive vector particle having only gravitational interactions). After summarizing Einstein's work and related earlier work of Weyl and Eddington, we present an approach to finding spherically symmetric solutions of the simplest variant of the Einstein models that was earlier mentioned in Weyl's work as an example of his generalization of general relativity. The spherically symmetric static solutions and homogeneous cosmological models are considered in some detail. As the theory is not integrable we study approximate solutions. In the static case, we show that there may exist two horizons and derive solutions near the horizons. In cosmology, we propose to study the corresponding expansions of possible solutions near the origin and derive these expansions in a simplified model neglecting anisotropy. The structure of the solutions seems to hint at a possibility of an inflation mechanism that does not require adding scalar fields." @default.
- W2964134502 created "2019-07-30" @default.
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- W2964134502 date "2008-12-14" @default.
- W2964134502 modified "2023-09-25" @default.
- W2964134502 title "On Einstein - Weyl unified model of dark energy and dark matter" @default.
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- W2964134502 doi "https://doi.org/10.48550/arxiv.0812.2616" @default.
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