TY - JOUR
T1 - Dynamical approach to ballistic transport in graphene
AU - Kao, H. C.
AU - Lewkowicz, M.
AU - Korniyenko, Y.
AU - Rosenstein, B.
PY - 2011/1
Y1 - 2011/1
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
UR - http://www.scopus.com/inward/record.url?scp=78149360179&partnerID=8YFLogxK
U2 - 10.1016/j.cpc.2010.07.029
DO - 10.1016/j.cpc.2010.07.029
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AN - SCOPUS:78149360179
SN - 0010-4655
VL - 182
SP - 112
EP - 114
JO - Computer Physics Communications
JF - Computer Physics Communications
IS - 1
ER -