Collective excitations of fractional quantum Hall states in monolayer graphene

被引：1
|
作者：
Narayanan, Sujit [1 ]
Kennett, Malcolm P. [1 ]
机构：
[1] Simon Fraser Univ, Dept Phys, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada
来源：
PHYSICAL REVIEW B | 2022年 / 106卷 / 16期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Graphene;
D O I：
10.1103/PhysRevB.106.165119
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the collective excitations of fractional quantum Hall states in graphene. We focus on states which allow for chiral symmetry breaking orders, specifically antiferromagnetism and charge density wave order. We investigate numerically how the collective excitation spectra depend on filling and the flux attachment scheme for two classes of variational states, the Toke-Jain sequence and the Modak-Mandal-Sengupta sequence.
引用
收藏
页数：14
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