机译:Fermi velocity enhancement in monolayer and bilayer graphene
SISSA, I-34014 Trieste, Italy.;
CNR, INFM, NEST, I-56126 Pisa, Italy.;
IPM, Inst Res Fundamental Sci, Sch Phys, Tehran 193955531, Iran.Univ Texas Austin, Dept Phys, Austin, TX 78703 USA.;