Hi Lee, What exactly do you want to fix? From your description I didn't notice anything going wrong. Cheers, Anton On Sat, Feb 27, 2016 at 6:25 AM, 고운 <rhdnsi@hanmail.net> wrote:

Hello, I am just starting with KWANT. I have a question about the energy band in lead. In the tutorial "2.5 Beyond square lattices: graphene", the energy band in lead is semimetallic and is consistent with that of zigzag-edge graphene nanoribbon when "r=10" ( default value given in the tutorial). However, when I set r=9 (or a value larger than 10), the energy band in lead becomes insulating and the conductance of scattering region also changes greatly. How can I fix it?

thanks,

Lee