Gravity exists duh oddly enough because lqg was born out of general relativity one question. Lqg competes with string theory as a candidate for quantum gravity.

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Lqg is in large part a study of these chunks.

Loop quantum gravity vs string theory. Sheldon overlooks the fact that lesley thinks loop quantum gravity better unites quantum mechanics with general relativity than the string theory. Loop quantum gravity makes some definite predictions which may mean that it could be tested well before string theory can be. Loop quantum gravity is also a theory of quantum gravity.

It mainly relies on the general relativity and quantizes the gravitational field. As string theory s popularity is being brought into question the amount of research into lqg may end up growing. The smooth background of einstein s theory of gravity is replaced by nodes and links to which quantum properties are assigned.

In loop quantum gravity or lqg space time is a network. Loop quantum gravity lqg is a theory of quantum gravity attempting to merge quantum mechanics and general relativity including the incorporation of the matter of the standard model into the framework established for the pure quantum gravity case. Loop quantum gravity simply develops a theory of gravity out of general relativity.

Unlike string theory loop quantum gravity doesn t attempt to unify fundamental interactions. In this way space is built up of discrete chunks.