期刊
PHYSICAL REVIEW B
卷 81, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.033403
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资金
- NRC-CNRS CRP
- Canadian Institute for Advanced Research
- Institute for Microstructural Sciences
- Quantum Works
- Polish MNiSW [N202-071-32/1513]
We derive analytical solutions for the zero-energy states of degenerate shell obtained as a singular eigen-value problem found in tight-binding (TB) Hamiltonian of triangular graphene quantum dots with zigzag edges. These analytical solutions are in agreement with previous TB and density-functional theory results for small graphene triangles and extend to arbitrary size. We also generalize these solutions to trapezoidal structure which allow us to study bowtie graphene devices.
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