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- Thread starter windy miller
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kimbyd

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As far as I know, there's only a handful:

1) Loop Quantum Gravity: an attempt to quantize gravity.

2) TeVeS (tensor-vector-scalar gravity): basically an attempt to turn MOND into an actual theory of gravity.

Most of the rest of the modified gravity concepts (like MOND) aren't really proper theories, as they're basically curve fitting without a physical model. They can probably be best thought of as ways to investigate the possibility of modified gravity, and if one of them seemed to fit the data, the next step would be to come up with a physical model.

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There's a review article here: https://www.sciencedirect.com/science/article/pii/S0370157312000105.

This article discussed the implications of more recent discoveries, i.p. the discovery of gravity waves at LIGO, on modified gravity theories: https://www.quantamagazine.org/trou...ives-to-einsteins-theory-of-gravity-20180430/.

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