Hi Sam, Thanks for the clarification.
> I'm trying to study a system where a contact has been patterned around the > outer edge of a channel. Initially I have tried attaching one lead oriented > along the z-direction (similar to the Hanle valve example in the Kwant > paper), which allows me to make one lead which boarders two sides of the > device (and vertical leads in the middle). > My hope is to somehow construct one contact (with 1 translational symmetry) > that has a width of the perimeter of the red line in my diagram. I would like > to then attach the contact in such a way that it bends around the corner. It > sounds like this would not be possible though. What is it that you are hoping to acheive with the contact that "bends round the corner? Naively I would say that you could construct the system that I have attached as an image. Essentially you would just add the part of the lead that "bends round the system" as an explicit part of the scattering region. What were you hoping to achieve by attaching two leads in the first place? Joe
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