Anomalous Floquet tunneling in uniaxially strained graphene

Betancur-Ocampo, Yonatan; Majari, Parisa; Espitia, Diego; Leyvraz, Francois; Stegmann, Thomas

doi:10.48550/arxiv.2012.00233

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2021

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(2 citation statements)

References 74 publications

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“…Equations ( 17) and (18) show that there is a perfect transmission at ϕ = 0 (normal incident) and also at resonance, k x D = nπ, n = 0, 1, 2, 3 . .…”

Section: Results and Discussion -mentioning

confidence: 99%

“…We will demonstrate that semi-Dirac-like electron tunneling depends on the parameters such as the incident angle and the merging parameter which indicate the amount of uniaxial strain as the authors in ref. [18] have shown these parameters are important for tunneling in graphene under smaller uniaxial strain for time-periodic potential. Moreover, the authors in ref.…”

mentioning

confidence: 97%

See 1 more Smart Citation

Klein tunneling of semi-Dirac-like fermions in graphene

Ghasemian¹,

Setare²,

Jahani³

et al. 2021

EPL

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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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“…Equations ( 17) and (18) show that there is a perfect transmission at ϕ = 0 (normal incident) and also at resonance, k x D = nπ, n = 0, 1, 2, 3 . .…”

Section: Results and Discussion -mentioning

confidence: 99%

mentioning

confidence: 97%