费米子在 δ 杂质上的一维散射
数学物理
2020-10-22 v4 其他凝聚态物理
高能物理 - 理论
math.MP
量子物理
摘要
我们研究一维 Dirac 哈密顿量的谱，该哈密顿量包含由 δ 函数势构成的静态背景所扭曲的费米子的束缚态与散射态。我们区分“质量尖峰”与“静电”δ 势。针对所研究的 δ 势类型不同而产生的谱差异被彻底探究。
引用
@article{arxiv.1903.05568,
title = {One-dimensional scattering of fermions on $\delta$-impurities},
author = {J. Mateos Guilarte and Jose M. Munoz-Castaneda and Irina Pirozhenko and Lucia Santamaria-Sanz},
journal= {arXiv preprint arXiv:1903.05568},
year = {2020}
}
备注
18 pages and 4 figures. Submitted for publication; We have corrected some typos added one new figure and changed the plots for the charge density, as well as added 5 extra references