Trace anomaly of dilaton-coupled scalars in two dimensions

被引：69

作者：

Bousso, R

Hawking, S

机构：

[1] Univ Cambridge, Dept Appl Math & Theoret Phys, Cambridge CB3 9EW, England

[2] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW D | 1997年 / 56卷 / 12期

关键词：

D O I：

10.1103/PhysRevD.56.7788

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Conformal scalar fields coupled to the dilaton appear naturally in two-dimensional models of black hole evaporation. We show that their trace anomaly is (1/24 pi)[R-6(del phi)(2)-2 square phi]. It follows that a Russo-Susskind-Thorlacius-type counterterm appears naturally in the one-loop effective action. [S0556-2821(97)01924-3].

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页码：7788 / 7791

页数：4

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