Hi Dear Andersen:
For TBT trance computation we need  electrode.TSHS, scatter.TSHS
and scatter.TSDE, is it right? For electrode.TSHS we introduce
TS.HSFileLeft            ./electrode.TSHS      and   TS.HSFileRight
  ./electrode.TSHS  in input file of TBTtrance but my question is how the
code understand about   scatter.TSHS and   scatter.TSDE? Is needed to
introduce them in input file? If yes please tell me how?

Excuse me another question that i have is for each  TS.Voltage i have to
repeat my calculation for scatter for getting  scatter.TSHS
and scatter.TSDE in that specific voltage for using them in TBTtrance part?

when I use transiesta to calculation a scatter region (SR) after the
electrode calculation,I have to set the TS.Voltage in the SR
inputfile! After the SR calcultion, I use the tool TBTtrans to
calculate the current and transmission, again in the inputfile I will
set TS.Voltage .MY question is :I get one current point for one
TS.Voltage set, if I want to calculate 10 points at 10 bias point,I
have to run 10 transiesta tasks for the 10 bias respectively and for
each bias I run TBTtrans to get
 10 current points? For one current point,TS.Voltage in the inputfile
for tansiesta run must be the same as the TS.Voltage in the input for
the later TBTtrans

calculation ? In the manual ,it says use the same inputfile for a
transiesta run and  TBTtrans run !



Thanks a lot



On Fri, Nov 15, 2013 at 11:19 PM, Nick Papior Andersen <nickpap...@gmail.com
> wrote:

> Dear all, a colleague of mine has brought me to the attention of this bug.
>
> Bug occurs when:
> 1) You perform a transiesta calculation with k-points.
> 2) You perform a tbtrans calculation ONLY at the gamma point.
>
> The Hamiltonian for the device region will in the above case be wrong,
> hence the transmission and DOS will be wrong.
> I am very sorry for this.
>
> To be explicit:
> 1) Calculate transiesta with:
> %block kgrid_monkhorst_pack
> 2 0 0
> 0 2 0
> 0 0 2
> %endblock kgrid_monkhorst_pack
>
> 2) Calculate tbtrans with
> %block kgrid_monkhorst_pack
> 1 0 0
> 0 1 0
> 0 0 1
> %endblock kgrid_monkhorst_pack
>
> Please find a corrected source on the website (it is updated today the 15
> of November).
>
> Please check your calculations if the above applies to your system and
> report back if any problems occur.
>
> Kind regards Nick
>
>

Responder a