QuantumATK Forum

QuantumATK => General Questions and Answers => Topic started by: asanchez on October 5, 2015, 14:11

Title: About "Bias window covered" in TransmissionSpectrum.current()
Post by: asanchez on October 5, 2015, 14:11

I've computed the self-consistent charge density for a DeviceConfiguration using electrode_voltages =  (0.15*Volt, -0.15*Volt).

I then computed the TransmissionSpectrum using energies = np.linspace(-0.15,0.15,X). When I use the current() method I get on the current report a "Bias window covered" value of 87.55%

Why isn't this value 100%? Is there a broadening function or something being used that requires the TransmissionSpectrum to be calculated outside the electrode_voltages window?

Thanks in advance

Title: Re: About "Bias window covered" in TransmissionSpectrum.current()
Post by: Anders Blom on October 5, 2015, 14:21

Indeed, by the Fermi distribution.

Title: Re: About "Bias window covered" in TransmissionSpectrum.current()
Post by: asanchez on October 5, 2015, 14:33

Ah! For some reason I briefly forgot about that. Thanks!