Dear Kwant Developers My name is Dominic Ko and I am a master student. I am using Kwant to stimulate 2D nanowire (square lattice) with two barriers (quite similar to NS junction described in Section 2.6 in the tutorial but topological superconductor is sandwiched between two barriers) and I am measuring the conductance across it using "smatrix.transmission(1, 0)". Somehow in a topological phase, I cannot get zero bias peak to maintain is something wrong with my code? (Checked with spectrum) Thanks and I am looking forward to hearing from you. Yours faithfully, Dominic