You may find some information in the original transiesta paper and in the pre-print of the next transiesta release: http://link.aps.org/doi/10.1103/PhysRevB.65.165401 https://arxiv.org/abs/1607.04464
If you want more information you have to read about complex analysis and numerical integration. Good read. 2016-09-19 19:09 GMT+02:00 anita dameh <anita.da....@gmail.com>: > Dear Nick, > thank you so much for your kind reply. > Can you suggest me references where I can find appropriate description of > contours and the parameters can affect them in details. > I think I need to learn more about them. > > Bests, > Anita > > > On 18 September 2016 at 15:11, Nick Papior <nickpap...@gmail.com> wrote: > >> Please check your input parameters. >> With changing temperature and bias one should check the input parameters >> for the contours. >> >> Note that for any version of transiesta in version 4.1 and after, the >> contours are handled more consistently with changing temperature. >> >> 2016-09-11 8:12 GMT+02:00 anita dameh <anita.da....@gmail.com>: >> >>> Dear Transiesta users, >>> >>> >>> I am trying to study the temperature effect on the conductance of my >>> devices at different bias. At room temperature the transiesta calculation >>> converged correctly but in higher values, it did not converge. How can I >>> solve the problem? >>> >>> >>> Regards, >>> >>> Anita >>> >> >> >> >> -- >> Kind regards Nick >> > > -- Kind regards Nick
