| Issue |
EPL
Volume 136, Number 1, October 2021
|
|
|---|---|---|
| Article Number | 17005 | |
| Number of page(s) | 6 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/ac3361 | |
| Published online | 07 January 2022 | |
Klein tunneling of semi-Dirac-like fermions in graphene
1 Department of Science, University of Kurdistan - Sanandaj, Iran
2 Materials and Energy Research Center - Tehran, Iran
3 Department of Science, Ilam University - Ilam, Iran
(a) dariush110@gmail.com (corresponding author)
Received: 4 August 2021
Accepted: 26 October 2021
In this work, the Klein tunneling of semi-Dirac-like fermions confined in a single-layer graphene under uniaxial strain is studied. We consider the universal Hamiltonian to obtain the analytical solution for the transmission probability through a two-dimensional electrostatic barrier in the strongly strained graphene at the so-called merging point. In this regard, the numerical results of the transmission probability for several values of the merging parameter are presented. We demonstrate that the barrier would be completely transparent on the normal incidence for all values of the merging parameter. Finally, we turn our attention to obtain the exact solution of the transmission probability for a potential step to better illustrate it.
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