Nonlinear tunneling through a strong rectangular barrier
Zhang Xiu-Rong, Li Wei-Dong†
       
(a) Density ρ ( x ) and (b) phase θ ( x ) plotted for V = 3, w = 1, α = α 0 = 1.108, and C = C 0 = 0.392 (kept 3 digits after the decimal point) with different η . The gray area indicates the region of the rectangular barrier.