Graphene under uniaxial inhomogeneous strain and an external electric field: Landau levels, electronic, magnetic and optical properties

Dai-Nam Le (), Le Van-Hoang and Pinaki Roy ()
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Dai-Nam Le: Atomic Molecular and Optical Physics Research Group, Advanced Institute of Materials Science, Ton Duc Thang University
Le Van-Hoang: Ho Chi Minh City University of Education
Pinaki Roy: Atomic Molecular and Optical Physics Research Group, Advanced Institute of Materials Science, Ton Duc Thang University

The European Physical Journal B: Condensed Matter and Complex Systems, 2020, vol. 93, issue 8, 1-12

Abstract: Abstract We investigate graphene under an inhomogeneous uniaxial strain and an in-plane electric field. We examine in detail the effect of strain and the electric field on relativistic Landau levels, Hall conductivity, de Haas-van Alphen oscillation and optical conductivity. Using Lorentz transformation in combination with supersymmetric quantum mechanics, we examine three different structures of Landau levels induced by three different profiles of inhomogeneous uniaxial strain and external electric fields. It is shown that strain-induced pseudomagnetic field forms Landau levels while electric field opposes formation of these levels. Besides the collapse of strain induced Landau levels, the influences of electric field on the quantization of strain dependent valley Hall conductivity, de Haas-van Alphen quantum oscillation of magnetization as well as optical conductivity have been investigated. Graphical abstract

Keywords: Solid; State; and; Materials (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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DOI: 10.1140/epjb/e2020-10222-3

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