Short weak link with distinct chemical potentials at the boundary

The difference between the chemical potentials for pairs (μ/sub p/) and quasiparticles (μ) at the boundaries of a short superconducting weak link, which is usually disregarded, is shown to be important when solving for the behavior of the link using the time-dependent Ginzburg-Landau equation. Selected computational results are presented to illustrate the effects of the improved boundary conditions on the space (time) dependence of μ, μ/sub p/, and normal current J/sub n/