Renormalizable, asymptotically free gravity without ghosts or tachyons

被引：13

作者：

Einhorn, Martin B. ^{[1
,2
]}

Jones, D. R. Timothy ^{[1
,3
]}

机构：

[1] Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Kohn Hall, Santa Barbara, CA 93106 USA

[2] Univ Michigan, Michigan Ctr Theoret Phys, Ann Arbor, MI 48109 USA

[3] Univ Liverpool, Dept Math Sci, Liverpool L69 3BX, Merseyside, England

来源：

PHYSICAL REVIEW D | 2017年 / 96卷 / 12期

基金：

美国国家科学基金会;

关键词：

ZETA-FUNCTION REGULARIZATION; EINSTEIN GRAVITY; QUANTUM;

D O I：

10.1103/PhysRevD.96.124025

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We analyze scale invariant quadratic quantum gravity incorporating nonminimal coupling to a multiplet of scalar fields in a gauge theory, with particular emphasis on the consequences for its interpretation resulting from a transformation from the Jordan frame to the Einstein frame. The result is the natural emergence of a de Sitter space solution which, depending the gauge theory and region of parameter space chosen, can be free of ghosts and tachyons, and completely asymptotically free. In the case of an SO(10) model, we present a detailed account of the spontaneous symmetry breaking, and we calculate the leading (two-loop) contribution to the dilaton mass.

引用

页数：23

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