热标量场理论中的新型集体激发
高能物理 - 唯象学
2014-04-03 v2 高能物理 - 理论
摘要
我们研究了高温下标量量子场论中的准粒子谱。我们的结果表明，对于某些质量和耦合的选择，在低动量下存在具有纯粹集体起源的新型准粒子。标量场在许多宇宙学模型中起着重要作用，它们的集体激发可能与早期宇宙的输运现象有关。
引用
@article{arxiv.1311.6641,
title = {Novel collective excitations in a hot scalar field theory},
author = {Marco Drewes},
journal= {arXiv preprint arXiv:1311.6641},
year = {2014}
}
备注
In v1 there was an error in the self-energy, which is now corrected. This lead to some changes in the plots, but the basic results and conclusions remain unaffected