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Revised Eddington theory of gravity produces universe without a BigBang singularity
Revised theory of gravity doesn't predict a Big Bang
"Although Eddington played a significant role in developing general relativity, during the following decades he became more interested in finding a theory to unify gravity and quantum mechanics - a task that is still being studied today. In 1924, Eddington proposed a new “gravitational action” as an alternative to the Einstein-Hilbert action, which could serve as an alternative starting point to general relativity. In astrophysics, a gravitational action is the mechanism that describes how gravity can emerge from space-time being curved by matter and energy. However, Eddington’s theory of gravity only worked for empty space and didn’t include any source of energy such as matter, making it an incomplete theory. Since Eddington’s proposal, scientists have attempted various ways of including matter into the theory, although they have run into problems. In this study, Banados and Ferreira have tried a new way to extend the theory to include matter by using a gravitational action called the Born-Infeld action. " http://www.physorg.com/news198135631.html |
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Revised Eddington theory of gravity produces universe without a Big Bang singularity
Yousuf Khan wrote:
Revised theory of gravity doesn't predict a Big Bang http://prl.aps.org/abstract/PRL/v105/i1/e011101 The paper says otherwise, but remains remarkably uninteresting. [...] |
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