f(R) Theories of Gravity
Physics Frontiers
English - June 02, 2017 00:00 - 37 minutes - 25.6 MB - ★★★★ - 102 ratingsPhysics Science physics gravitation quantum mechanics materials Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Jim and Randy discuss gravitational theories that modify general relativity by changing the action using a polynomial dependence on the Ricci scalar. Although not physically motivated, some of these theories produce effects similar to those of dark matter, dark energy, and cosmological constants.
Show notes: http://frontiers.physicsfm.com/9