UNREASONABLE POSTULATE IN THE PERTURBATIVE APPROACH TO QUANTUM-GRAVITY

被引:8
作者
NAKANISHI, N
机构
[1] Research Institute for Mathematical Sciences, Kyoto University, Kyoto
关键词
D O I
10.1007/BF02105674
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The conventional perturbative approach to quantum gravity is based on the expansion in powers of square-root kappa, where kappa denotes the Einstein gravitational constant. The introduction of a square-root is due to the unreasonable postulate that the kappa --> 0 limit of the gravitational field is a c-number. It is more natural that it is a q-number, which can be determined explicitly by the theory, and then the expansion becomes that in powers of kappa but not of square-root kappa. Thus the nonrenormalizability of Einstein gravity should be completely reconsidered in the light of the new expansion.
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页码:65 / 69
页数:5
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