Dynamical approach to ballistic transport in graphene

H. C. Kao; M. Lewkowicz; Y. Korniyenko; B. Rosenstein

doi:10.1016/j.cpc.2010.07.029

Dynamical approach to ballistic transport in graphene

H. C. Kao, M. Lewkowicz^*, Y. Korniyenko, B. Rosenstein

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The process of the coherent creation of particle-hole excitations by an electric field in graphene is quantitatively described beyond linear response. We calculate the evolution of the current density and the number of pairs in the ballistic regime using the tight binding model. While for small electric fields the I-V curve is linear characterized by the universal minimal resistivity σ=π/2(e2/h), for larger fields, after a certain time interval, the linear regime crosses over to a quadratic one and finally at larger times Bloch oscillations set in.

Original language	English
Pages (from-to)	112-114
Number of pages	3
Journal	Computer Physics Communications
Volume	182
Issue number	1
DOIs	https://doi.org/10.1016/j.cpc.2010.07.029
Publication status	Published - 2011 Jan

Keywords

Ballistic transport
Graphene

ASJC Scopus subject areas

Hardware and Architecture
General Physics and Astronomy

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10.1016/j.cpc.2010.07.029

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abstract = "The process of the coherent creation of particle-hole excitations by an electric field in graphene is quantitatively described beyond linear response. We calculate the evolution of the current density and the number of pairs in the ballistic regime using the tight binding model. While for small electric fields the I-V curve is linear characterized by the universal minimal resistivity σ=π/2(e2/h), for larger fields, after a certain time interval, the linear regime crosses over to a quadratic one and finally at larger times Bloch oscillations set in.",

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author = "Kao, {H. C.} and M. Lewkowicz and Y. Korniyenko and B. Rosenstein",

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AU - Korniyenko, Y.

AU - Rosenstein, B.

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N2 - The process of the coherent creation of particle-hole excitations by an electric field in graphene is quantitatively described beyond linear response. We calculate the evolution of the current density and the number of pairs in the ballistic regime using the tight binding model. While for small electric fields the I-V curve is linear characterized by the universal minimal resistivity σ=π/2(e2/h), for larger fields, after a certain time interval, the linear regime crosses over to a quadratic one and finally at larger times Bloch oscillations set in.

AB - The process of the coherent creation of particle-hole excitations by an electric field in graphene is quantitatively described beyond linear response. We calculate the evolution of the current density and the number of pairs in the ballistic regime using the tight binding model. While for small electric fields the I-V curve is linear characterized by the universal minimal resistivity σ=π/2(e2/h), for larger fields, after a certain time interval, the linear regime crosses over to a quadratic one and finally at larger times Bloch oscillations set in.

KW - Ballistic transport

KW - Graphene

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SP - 112

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JO - Computer Physics Communications

JF - Computer Physics Communications

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Dynamical approach to ballistic transport in graphene

Abstract

Keywords

ASJC Scopus subject areas

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