On the renormalization group for the interacting massive scalar field theory in curved space

被引：21

作者：

de Berredo-Peixoto, G ^{[1
]}

Gorbar, EV

Shapiro, IL

机构：

[1] Univ Fed Juiz Fora, Dept Fis, BR-36036330 Juiz De Fora, MG, Brazil

[2] Bogolyubov Inst Theoret Phys, Kiev, Ukraine

来源：

CLASSICAL AND QUANTUM GRAVITY | 2004年 / 21卷 / 09期

关键词：

D O I：

10.1088/0264-9381/21/9/005

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Euclidean effective action for the interacting massive scalar field in curved spacetime is derived using the heat-kernel method. Starting from this effective action, we establish a smooth quadratic form of the low-energy decoupling for the four-scalar coupling constant lambda and for the nonminimal interaction parameter xi. The evolution of this parameter from the conformal value 1/6 at high energies down to the IR regime is investigated within the two toy models with negative and positive four-scalar coupling constants.

引用

页码：2281 / 2290

页数：10

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