To quantize or not to quantize gravity ?
Abstract
It is shown here that the Standard Model (SM) of particle physics supports the view that gravity need not be quantized. It is shown that the SM gives a consistent description of the origin of the universe. It is guggested that the universe came into existence when the SM symmetry was broken spontaneously. This brings out a complete and consistent model of the physical universe in the framework of a "semiclassical quantum gravity" theory.
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