It is an attempt to merge quantum mechanics and the General Theory of Relativity.For more details, I suggest you read at least the overview in the Wikipedia, article "Loop quantum gravity".
It is an attempt to merge quantum mechanics and the General Theory of Relativity.For more details, I suggest you read at least the overview in the Wikipedia, article "Loop quantum gravity".
Some alternatives to string theory include loop quantum gravity, quantum field theory, and causal dynamical triangulation.
It depends on what you mean by leading. A few good candidates are string theory, the standard model and loop quantum gravity.
The ISBN of Three Roads to Quantum Gravity is 0465078354.
The simple answer is Loop Quantum Gravity. I don't understand it that well, but it's the leading discretized space-time theory.
Three Roads to Quantum Gravity has 196 pages.
Three Roads to Quantum Gravity was created on 2001-06-05.
Stephen Hawking worked on quantum gravity throughout his career, but one of his notable contributions was made in the 1970s, when he investigated the quantum effects near black holes and proposed theories to explain the relationship between quantum mechanics and gravity.
Unknown at this time. Neither is currently testable experimentally as predicted features are smaller than current measurement equipment can detect.
Quantum Loop, at Seabreeze Park in NY
Some alternative theories to string theory include loop quantum gravity, brane theory, and quantum field theory. These theories propose different ways to explain the fundamental forces and particles in the universe, without relying on the idea of tiny vibrating strings as the building blocks of everything.
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