Dear Juan, I believe, you can see the shape of the contour used for the integration in this paper:
http://prb.aps.org/abstract/PRB/v65/i16/e165401 Best regards, Roland On 1 June 2012 15:09, Juan Manuel Aguiar <[email protected]>wrote: > Dear Users, > Can I assume that nobody understands this issue or knows a reference? > Sincerely > > Juan Manuel > > On Thu, May 31, 2012 at 4:47 PM, Juan Manuel Aguiar > <[email protected]> wrote: > > Dear Siesta Users, > > I'm trying to understand the particular shape chosen for the contour > > integration for the density matrix in transiesta. I've already read > > the paper where the method is explained [Phys. Rev. B 65, 165401 > > (2002); pag 5, fig 2] but there the contour is only mentioned, not > > explained. I didn't find this contour in the literature I've found > > about contour integration in NEGF calculations. > > > > I think that the answer must be very easy for the well documented > > user, so I ask you to share with me your knowledge or a reference > > where this particular shape for the contour integration is justified. > > > > Regards > > > > Juan Manuel >
