Re: [Kwant] kwant.builder.BuilderLead

2017-06-01 Thread Christoph Groth
Hi Tatsiana, The error message that your script produces (when one uncomments the line that finalizes 'sys') is not helpful (we'll try to improve it), but it is justified. Your script does not work because you are attaching builders without any symmetry as leads. You have to declare a

Re: [Kwant] kwant.builder.BuilderLead

2017-04-05 Thread Christoph Groth
Татьяна Григоренко wrote: How interface parameter of class kwant.builder.BuilderLead(builder, interface) is specified? The documentation says: “interface: Sequence of sites in the scattering region to which the lead is attached.” Please be more specific on what remains unclear. How to

[Kwant] kwant.builder.BuilderLead

2017-04-05 Thread Татьяна Григоренко
Hi, sorry to bother you again. How interface parameter of class kwant.builder.BuilderLead(builder, interface) is specified? How to define a sequence of sites which were attached to the lead? С уважением, Татьяна Григоренко