期刊
PRAMANA-JOURNAL OF PHYSICS
卷 69, 期 1, 页码 23-29出版社
INDIAN ACAD SCIENCES
DOI: 10.1007/s12043-007-0108-3
关键词
cosmology; Raychaudhuri equation; Universe; quantum gravity; loop quantum gravity; loop quantum cosmology
I first recount Raychaudhuri's deep involvement with the singularity problem in general relativity. I then argue that precisely the same situation has arisen today in loop quantum cosmology as obtained when Raychaudhuri discovered his celebrated equation. We thus need a new analogue of the Raychaudhuri equation in quantum gravity.
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