CALCULABLE NONMINIMAL COUPLING OF COMPOSITE SCALAR BOSONS TO GRAVITY

被引:64
作者
HILL, CT
SALOPEK, DS
机构
[1] Fermi National Accelerator Laboratory, Batavia, IL 60510
关键词
D O I
10.1016/0003-4916(92)90281-P
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The nonminimal coupling to gravity -ξRφ2 2 of a composite scalar field φ is calculated in the Nambu-Jona-Lasinio model. We find ξ = 1 6. The result is exact in a leading large-N approximation, or in a fully improved one-loop renormalization group approximation. We briefly discuss some related cosmological implications. © 1992.
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页码:21 / 30
页数:10
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