赝自旋-1与赝自旋-3/2线性色散半金属中经标量与矢量势垒的透射
介观与纳米尺度物理
2023-02-17 v6
摘要
我们研究了赝自旋-1和赝自旋-3/2准粒子穿过由静电势和矢量势组成、沿透射轴在有限区域内均匀存在的势垒的隧穿行为。首先,我们求出在无矢量势情况下的隧穿系数、电导率和Fano因子。随后,我们开启相关磁场重复上述计算。所呈现的特征显示出明显区别,尽管两者均表现出线性能带交叉点,但这些区别可用于识别半金属的类型。
引用
@article{arxiv.2004.14749,
title = {Transmission in pseudospin-1 and pseudospin-3/2 semimetals with linear dispersion through scalar and vector potential barriers},
author = {Ipsita Mandal},
journal= {arXiv preprint arXiv:2004.14749},
year = {2023}
}
备注
similar transport properties have been studied in arXiv:2004.06134 and arXiv:2012.15567; there were some typographical errors in the published version; this arxiv version contains the corrected results; the corrigendum has been published in Physics Letters A 433C, 128027 (2022)