phi^4 含 phi^3 项中弹跳解与向热跳跃的过渡
高能物理 - 理论
2009-10-31 v1
摘要
在具立方对称性破缺的标量场论中,考察了低温量子隧穿向高温热跳跃过渡的性质。利用多重网格法数值求得介于零温与高温解之间的弹跳解。发现对于对称性破缺耦合 f 的小值,该过渡为一阶。对于较大的 f 值,过渡仍为一阶,尽管是弱一阶。
引用
@article{arxiv.hep-th/9809010,
title = {Bounce solutions and the transition to thermal hopping in phi^4 theory with a phi^3 term},
author = {Hatem Widyan and A. Mukherjee and N. Panchapakesan and R. P. Saxena},
journal= {arXiv preprint arXiv:hep-th/9809010},
year = {2009}
}
备注
Latex file with 18 figures, 29 pages