kwant.physics.two_terminal_shotnoise

kwant.physics.two_terminal_shotnoise(smatrix)[source]

Compute the shot-noise in a two-terminal setup.

In a two terminal system the shot noise is given by tr((1 - t*t^dagger) * t*t^dagger).

Parameters:

smatrix : SMatrix instance

A two terminal scattering matrix.

Returns:

noise : float

Shot noise measured in noise quanta 2 e^3 |V| / pi hbar.

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