Unified semiclassical approach to electronic transport from diffusive to ballistic regimes
Geng Hao1, Deng Wei-Yin1, Ren Yue-Jiao1, Sheng Li1, 2, †, , Xing Ding-Yu1, 2
       

(a) The parameter κ as a function of Lx/lf in two dimensions. (b) The linear approximation to (x) (solid lines), compared with the exact numerical solution reproduced from Fig. 2 (symbols).