期刊
CLASSICAL AND QUANTUM GRAVITY
卷 33, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/33/12/125027
关键词
general relativity; cosmology; backreaction
类别
资金
- NSF [PHY-1202718, PHY-1505124]
- Perimeter Institute for Theoretical Physics
- Government of Canada through Industry Canada
- Province of Ontario through the Ministry of Research and Innovation
- Direct For Mathematical & Physical Scien
- Division Of Physics [1505124, 1202718] Funding Source: National Science Foundation
We provide a simple discussion of our results on the backreaction effects of density inhomogeneities in cosmology without mentioning one-parameter families or weak limits. Emphasis is placed on the manner in which 'averaging' is done and the fact that one is solving Einstein's equation. The key assumptions and results that we rigorously derived within our original mathematical framework are thereby explained in a heuristic way.
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