Is Euclidean Quantum Gravity the Future of Nonperturbative Physics?

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SUMMARY

Stephen Hawking's recent preprint on Arxiv introduces "Euclidean Quantum Gravity" as a definitive approach to nonperturbative quantum gravity. He asserts that this method is the only rational way to address the complexities of quantum gravity. The discussion highlights a critical tension between quantum theory and general relativity, emphasizing that spacetime is fundamentally non-Euclidean, which is central to understanding these inconsistencies.

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CarlB
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Stephen Hawking's latest preprint on Arxiv uses "Euclidean Quantum Gravity". In fact, he says:

"I adopt the Euclidean approach [5], the only sane way to do quantum gravity nonperturbatively."
http://www.arxiv.org/abs/hep-th/0507171

Any comments?

Carl
 
Physics news on Phys.org
doesn't gr say that spacetime is non-euclidean?
 
Yes, that's the whole point. The quantum theory treatment of gravity (or the electro-magnetic force) is inconsistent with general relativity.
 

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