Electronic structure of disclinated graphene in a uniform magnetic field

被引：10
|
作者：
Smotlacha, J. [1 ]
Pincak, R. [2 ,3 ]
Pudlak, M. [3 ]
机构：
[1] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague 11000, Czech Republic
[2] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Moscow Region, Russia
[3] Slovak Acad Sci, Inst Expt Phys, Kosice 4704353, Slovakia
来源：
EUROPEAN PHYSICAL JOURNAL B | 2011年 / 84卷 / 02期
关键词：
CARBON NANOTUBES; PLANAR SYSTEMS; FULLERENES; NANOHORNS; GRAPHITE; STATES; C-60;
D O I：
10.1140/epjb/e2011-20384-6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The electronic structure in the vicinity of the 1-heptagonal and 1-pentagonal defects in the carbon graphene plane is investigated for the case of hyperboloidal geometry. Using a continuum gauge field-theory model, the local density of states around the Fermi energy is calculated for both cases. In this model, the disclination is represented by a SO(2) gauge vortex and the corresponding metrics follows from the elasticity properties of the graphene membrane. To enhance the interval of energies, a self-consistent perturbation scheme is used. The Landau states are investigated and compared with the predicted values. A discussion on the influence of the Zeeman effect is included.
引用
收藏
页码：255 / 264
页数：10
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