23 citations · 23 across the 7 of their papers we have counts for
7 papers
Chiral states induced by symmetry-breaking in lattices: Magnetic field effect
J. P. G. Nascimento, J. M. Pereira, R. N. Costa Filho +4
The sublattice-symmetry breaking in the lattice leads to a bandgap opening. A defect line in the substrate on which the lattice is deposited can be viewed as a topo…
Atomic collapse in gapped graphene: lattice and valley effects
Jing Wang, Xiaotai Wu, Wen-Sheng Zhao +3
We study the atomic collapse phenomenon in and valley of gapped graphene. Bound states induced by Coulomb impurity in the gap turn into atomic collapse resonances as the c…
Phosphorene Junctions as a Platform for Spin-Selective Quantum Dots in Next-Generation Devices
Maryam Mahdavifar, Farhad Khoeini, Francois M. Peeters
The impact of vacancies on spin-resolved electronic properties of quantum dots (QDs) in phosphorene-based junctions, are investigated numerically. Regardless of the crystal orienta…
Energy levels and Aharonov-Bohm oscillations in twisted bilayer graphene quantum dots and rings
N. S. Bandeira, Andrey Chaves, L. V. de Castro +4
We present a systematic study of the energy levels of twisted bilayer graphene (tBLG) quantum dots (QD) and rings (QR) under an external perpendicular magnetic field. The confineme…
Charged vacancy in graphene: interplay between Landau levels and atomic collapse resonances
Jing Wang, Wen-Sheng Zhao, Yue Hu +2
The interplay between a magnetic field and the Coulomb potential from a charged vacancy on the electron states in graphene is investigated within the tight-binding model. The Coulo…
Magnetic field dependence of the atomic collapse state in graphene
Dean Moldovan, Massoud Ramezani Masir, Francois M. Peeters
Quantum electrodynamics predicts that heavy atoms () will undergo the process of atomic collapse where electrons sink into the positron continuum and a new fam…