排斥型二维与三维 Bose 极化子的平均场研究
量子气体
2020-10-28 v2
摘要
本文给出了二维和三维 Bose 极化子问题的详细平均场处理。特别地，假设杂质浸没于稀薄的玻色气体中，并通过硬球两体势与玻色子相互作用，我们计算了其谱的低动量参数，即结合能与有效质量。通过将我们的结果与蒙特卡洛模拟数据进行比较，讨论了平均场方法对玻色-爱因斯坦凝聚体中可动杂质问题的适用限度。
引用
@article{arxiv.2001.03220,
title = {Mean-field study of repulsive 2D and 3D Bose polarons},
author = {O. Hryhorchak and G. Panochko and V. Pastukhov},
journal= {arXiv preprint arXiv:2001.03220},
year = {2020}
}
备注
9 pages, 9 figures; the discussion of the 2D Bose polaron has been extended; the misleading statement about the average density of bosons has been corrected