Quantum gravity as sum over spacetimes

Quantum gravity as sum over spacetimes
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量子引力作为时空之和

DOI:
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发表时间:
2009
期刊:
影响因子:
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通讯作者:
R. Loll
R. Loll
中科院分区:
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文献类型:
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作者:
J. Ambjorn;J. Jurkiewicz;R. Loll

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理论物理学中一个主要的未解决的问题是调和经典的广义相对论和量子力学。这些讲座将尝试将量子引力描述为几何上的路径积分。这种方法必须是非摄动的,因为当时空维度为4时,引力是一个不可重整的量子场论。
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-renormalizable quantum field theory when the dimension of spacetime is four.