@nattyover Here are papers & reviews about deriving the geodesic motion of point particles from full GR https://t.co/o5SjiGtELv https://t.co/Az06Hk0uKc Sam Gralla @samgralla
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@QuantumBrandon @LCTTA the curved-spacetime Green's function for the electromagnetic field has support inside the past light cone (unlike the flat spacetime case, where the support is only on the surface of the past light cone). This screenshot is from Poi
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The Motion of Point Particles in Curved Spacetime | SpringerLink https://t.co/MUm9YDUaQi
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@JFdonoghue1033 @CburgesCliff @MMylova Regarding how to treat things covariantly, I only know how to do this in position space, not momentum space; namely, to use bitensor Greens functions. I always go to Poisson's LRR (https://t.co/mVzQhwcvgr) to refresh