HIGHLIGHTS
- who: Steffen Gielen and Lisa Mickel from the School of Mathematics and Statistics, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield , RH, UK have published the research work: Gauge-Invariant Perturbations at a Quantum Gravity Bounce, in the Journal: Universe 2023, 9, 29. of /2023/
- what: The authors show that while these statements can be extended to a more general form of modified Friedmann equations similar to that of loop cosmology in other cases such as the simplest group field theory bounce scenario u03b6 is conserved across the bounce whereas R is not. The main . . .
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