Gravity and unification: hints from microphysics and cosmology
Elementary Particle Physics and General Relativity relate respectively to the very small and the very large. But they are both essential in trying to understand the structure of the universe, especially at the very first instants. Some of the key ideas involved in this juncture of the very small and the very large are illustrated.
Keywords:
elementary particle physicsgeneral relativityextra spacetime dimensionsgravity wavesthe universe as a membrane
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