Directed transport by pumping of excited states.
We present the exact analytic solution for the model of directed transport induced by nonequilibrium state occupation, introduced by Porto [Eur. Phys. J. B 25, 345 (2002)].
Cleuren
B
B
Limburgs Universitair Centrum, B-3590 Diepenbeek, Belgium.
Van den Broeck
C
C