Temperature effect in the conductance of hydrogen molecule

We present a many-body calculation for the conductance of a conducting bridge of a simple hydrogen molecule between Pt electrodes. The experimental results showed that the conductance G=dI/dV has the maximum value near the quantum unit G0=2e2/h. The I–V dependence presents peak and dip and we consider that the electron–phonon interaction is responsible for this behavior. At T=0 there is a step in this dependence for the energy of phonons ω0 which satisfies eV=ω0. We calculated the conductance at finite temperature and showed that View the MathML source.