Abstract
Astronomical observations indicate that the cosmological constant is many orders of magnitude smaller than estimated in modern theories of elementary particles. After a brief review of the history of this problem, five different approaches to its solution are described.
DOI:https://doi.org/10.1103/RevModPhys.61.1
©1989 American Physical Society
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2015 - General Relativity’s Centennial
The editors of the Physical Review journals have curated a collection of landmark papers on General Relativity to celebrate its centennial.