POTENTIAL BARRIER AND WELL SURROUNDING THE 2-DIMENSIONAL BLACK-HOLE

被引:13
|
作者
KIM, JY
LEE, HW
MYUNG, YS
机构
[1] Department of Physics, Inje University, Kimhae
关键词
D O I
10.1016/0370-2693(94)91482-6
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We study the stability of a static black hole in two-dimensional string theory. In contrast to a d = 4 real black hole, we found that the tachyonic mode has a potential barrier near the black hole, while the graviton-dilaton has a potential well near the black hole. This potential well induces an exponentially growing mode with time. Finally, it turns out that d = 2 static black hole solution is unstable against external perturbations.
引用
收藏
页码:291 / 296
页数:6
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