RENORMALIZATION-GROUP FLOW OF THE DILATON POTENTIAL

被引：27

作者：

FLOREANINI, R ^{[1
]}

PERCACCI, R ^{[1
]}

机构：

[1] SCH ADV INT STUDIES, I-34014 TRIESTE, ITALY

来源：

PHYSICAL REVIEW D | 1995年 / 52卷 / 02期

关键词：

D O I：

10.1103/PhysRevD.52.896

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider a scalar-metric gauge theory of gravity with an independent metric, connection, and dilation. The role of the dilaton is to provide the scale of all masses, via its vacuum expectation value. In this theory, we study the renormalization-group how of the dilaton potential, taking into account threshold effects at the Planck scale. Because of the running of the VEV of the dilaton all particles that would naively seem to have masses larger than Planck's mass may actually not propagate. This could solve the problem of unitarity in these theories.

引用

页码：896 / 911

页数：16

共 53 条

[1] EINSTEIN GRAVITY AS A SYMMETRY-BREAKING EFFECT IN QUANTUM-FIELD THEORY [J].