DILATON GRAVITY IN 2+EPSILON DIMENSIONS

被引：13

作者：

KOJIMA, S ^{[1
]}

SAKAI, N ^{[1
]}

TANII, Y ^{[1
]}

机构：

[1] SAITAMA UNIV, DEPT PHYS, URAWA, SAITAMA 338, JAPAN

来源：

NUCLEAR PHYSICS B | 1994年 / 426卷 / 01期

关键词：

D O I：

10.1016/0550-3213(94)90133-3

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The quantum theory of dilaton gravity is studied in 2 + epsilon dimensions. The divergences are computed and renormalized at one-loop order. The mixing between the Liouville field and the dilaton field eliminates the 1/epsilon singularity in the Liouville-dilaton propagator. This smooth behavior of the dilaton gravity theory in the epsilon --> O limit solves the oversubtraction problem which afflicted the higher orders of Einstein gravity in 2 + epsilon dimensions. As a nontrivial fixed point, we find a dilaton gravity action which can be transformed to a CGHS type action.

引用

页码：223 / 243

页数：21

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