Hi Reza,
> I am planning to study transport through the double-stranded DNA molecule. > > I was wondering if thisgeometry has been already implemented in kwant. > As far as I am aware no one has implemented a model for DNA in Kwant so far (at least, no one has posted about it on the mailing list!). This is probably not the sort of thing that we would implement directly in Kwant, as I would imagine that the specifics of the model (what behavior you neglect, which approximations are made etc.) would be tightly coupled to a particular problem, and we want to keep Kwant as general as possible. That said, if you do go about implementing this, be sure to post about it to the mailing list; we are eager to see the varied applications of Kwant outside of our immediate field of research! Happy Kwanting, Joe
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