Quantum gravity as sum over spacetimes

Jan Ambjørn; J. Jurkiewicz; R. Loll

doi:10.1007/978-3-642-11897-5_2

Quantum gravity as sum over spacetimes

Jan Ambjørn, J. Jurkiewicz, R. Loll

34 Citations (Scopus)

Abstract

A major unsolved problem in theoretical physics is to reconcile the classical theory of general relativity with quantum mechanics. These lectures will deal with an attempt to describe quantum gravity as a path integral over geometries. Such an approach has to be non-perturbative since gravity is a non-renormalizableNon-renormalizable quantum field theory Quantum!field theory when the dimension of spacetime is four.

Original language	English
Book series	Lecture Notes in Physics
Volume	807
Pages (from-to)	59-124
ISSN	1616-6361
DOIs	https://doi.org/10.1007/978-3-642-11897-5_2
Publication status	Published - 1 Feb 2010

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title = "Quantum gravity as sum over spacetimes",

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AB - A major unsolved problem in theoretical physics is to reconcile the classical theory of general relativity with quantum mechanics. These lectures will deal with an attempt to describe quantum gravity as a path integral over geometries. Such an approach has to be non-perturbative since gravity is a non-renormalizableNon-renormalizable quantum field theory Quantum!field theory when the dimension of spacetime is four.

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Quantum gravity as sum over spacetimes

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