👉Radion or graviscalar: g₅₅=ϕ (In the computation above I've put g₅₅=1) https://t.co/5GnHgXtE3O See also: 👉"The (Brave) Brane World Gravity", (Roy Maartens, 2004): https://t.co/EjsGl7Supy
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https://t.co/Fo7y0BRJLq "The observable universe could be a 1 + 3-surface (the “brane”) embedded in a 1 + 3 + d-dimensional spacetime (the “bulk”), with Standard Model"
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https://t.co/6Tm7G262fr "At low energies, gravity is localized at the brane and general relativity is recovered, ... perfect fluids, kinetic gases, dissipative fluids, etc."
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https://t.co/Fo7y0BRJLq "At low energies, gravity is localized at the brane and general relativity is recovered, but at high energies gravity “leaks” into the bulk, behaving in..."