QUANTUM STABILIZATION OF SOLITONIC BUBBLES

被引:11
作者
BALTAR, V
LLAMBIAS, J
MASPERI, L
机构
[1] CTR ATOM BARILOCHE,RA-8400 BARILOCHE,ARGENTINA
[2] INST BALSEIRO,RA-8400 BARILOCHE,ARGENTINA
来源
PHYSICAL REVIEW D | 1991年 / 44卷 / 04期
关键词
D O I
10.1103/PhysRevD.44.1214
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In a real scalar field model in 1 + 1 dimensions with quartic and sextic self-coupling there appears a classically unstable nontopological soliton which is a bubble in the false vacuum. We show that this vacuum is rendered stable by one- and two-loop quantum corrections with appropriate renormalization conditions. In a parameter range of the model, the bubble is stabilized when quantum corrections to its mass are taken into account with a quadratic approximation of the higher-order terms.
引用
收藏
页码:1214 / 1219
页数:6
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