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

^*此作品的通信作者

物理學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

3 引文斯高帕斯（Scopus）

摘要

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.

原文	英語
頁（從 - 到）	112-114
頁數	3
期刊	Computer Physics Communications
卷	182
發行號	1
DOIs	https://doi.org/10.1016/j.cpc.2010.07.029
出版狀態	已發佈 - 2011 1月

ASJC Scopus subject areas

硬體和架構
一般物理與天文學

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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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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.

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KW - Graphene

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Dynamical approach to ballistic transport in graphene

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