Hi Prof. Akhmerov, Sorry I made a mistake in the units of 'I'. Isn't 'I' here the probability current and not the charge current? We would just have to multiply 'I' by e to get the charge current, right?

Thanks, Harshad On Mon, Jan 23, 2017 at 9:53 AM, Anton Akhmerov <anton.akhmerov...@gmail.com > wrote: > Dear Hardshad, > > I might be missing some factors here, but the unit of current is > elementary charge / unit of time. The unit of time is hbar / unit of energy > that you used in defining your tight-binding model. > > Best, > Anton > > On Mon, Jan 23, 2017 at 3:49 PM, Harshad Sahasrabudhe <hsaha...@purdue.edu > > wrote: > >> Hi, >> >> I was wondering what units would the wavefunction obtained from Kwant >> have? I was thinking they would have the units 1/sqrt(nm.eV) (since my >> energies are in eV and lengths are in nm) as the modes are normalized >> according to >> >> [image: Inline image 1] >> >> How would I calculate the velocity of the mode, if the modes are >> normalized to carry unit current? >> >> Thanks, >> Harshad >> > >