石墨烯中非均匀单轴应力产生的赝朗道能级的解析计算  

Analytical solution of pseudo-Landau levels in graphene under an inhomogeneous uniaxial strain

作　　者：孙俊松 马女森 郭怀明 SUN Jun-song;MA Nv-sen;GUO Huai-ming(School of Physics,Beihang University,Beijing 100089,China)

机构地区：[1]北京航空航天大学物理学院,北京100089

出　　处：《大学物理》2022年第11期1-3,共3页College Physics

基　　金：国家自然科学基金(12074022)资助。

摘　　要：石墨烯是凝聚态物理学中的前沿研究内容.本文介绍了石墨烯在非均匀单轴应力产生的赝磁场下的赝朗道能级的解析求解.我们详细展示了应力下低能有效哈密顿量的导出,相关微分方程的求解.该赝朗道能级的求解,综合运用大学生所学的数理和物理基本知识,对相关理论课程很有参考价值.Graphene is a cutting-edge research topic in condensed matter physics.This paper introduces the analytical solution of the pseudo-Landau energy level of graphene under a pseudo-magnetic field generated by the non-uniform uniaxial strain.We show in detail the derivation of the low-energy effective Hamiltonian under strain and the solution of related differential equations.The solution of the pseudo-Landau energy level,comprehensively using the basic knowledge of mathematics and physics learned by college students,is of great reference value for related theoretical courses.

关 键 词：石墨烯 非均匀单轴应力 赝磁场 赝朗道能级 

分 类 号：O4-1[理学—物理]