Trace anomaly and the Hawking effect in generic two-dimensional dilaton gravity theories

被引：23

作者：

Cadoni, M ^{[1
]}

机构：

[1] IST NAZL FIS NUCL,SEZ CAGLIARI,I-09100 CAGLIARI,ITALY

来源：

PHYSICAL REVIEW D | 1996年 / 53卷 / 08期

关键词：

D O I：

10.1103/PhysRevD.53.4413

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Black hole solutions in the context of a generic matter-coupled two-dimensional dilaton gravity theory are discussed both at the classical and semiclassical level. Starting from general assumptions, a criterion for the existence of black holes is given. The relationship between the conformal anomaly and Hawking radiation is extended to a broad class of two-dimensional dilaton gravity models. A general and simple formula relating the magnitude of the Hawking effect to the dilaton potential evaluated on the horizon is derived.

引用

页码：4413 / 4420

页数：8

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