Group Field Theory and Its Cosmology in a Matter Reference Frame
While the equations of general relativity take the same form in any coordinate system, choosing a suitable set of coordinates is essential in any practical application. This poses a challenge in background-independent quantum gravity, where coordinates are not a priori available and need to be recon...
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Format: | Article |
Language: | English |
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MDPI AG
2018-10-01
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Series: | Universe |
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Online Access: | http://www.mdpi.com/2218-1997/4/10/103 |