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Electronic properties of a graphene nanotorus under the action of external fields

Author

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  • José Euclides Gomes Silva

    (Universidade Federal do Cariri(UFCA), Av. Tenente Raimundo Rocha, Cidade Universitária, Juazeiro do Norte)

  • Job Furtado

    (Universidade Federal do Cariri(UFCA), Av. Tenente Raimundo Rocha, Cidade Universitária, Juazeiro do Norte)

  • Antonio Carlos Alonge Ramos

    (Universidade Federal do Cariri(UFCA), Av. Tenente Raimundo Rocha, Cidade Universitária, Juazeiro do Norte)

Abstract

In this paper we study the properties of an electron trapped on a torus surface. We consider the influence of surface curvature on the spectrum and the behaviour of the wave function. In addition, the effects of external electric and magnetic fields were explored. Two toroid configurations were considered, namely, a torus-like configuration and a ring-like configuration both in agreement with experimental data. We also obtain the bound states and discuss the role of geometry on the Landau levels. Graphical abstract

Suggested Citation

  • José Euclides Gomes Silva & Job Furtado & Antonio Carlos Alonge Ramos, 2020. "Electronic properties of a graphene nanotorus under the action of external fields," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 93(12), pages 1-9, December.
    • Handle: RePEc:spr:eurphb:v:93:y:2020:i:12:d:10.1140_epjb_e2020-10449-x
    DOI: 10.1140/epjb/e2020-10449-x
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    Mesoscopic and Nanoscale Systems;

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