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Oscillatory nonlinear conductance of an interacting quantum wire with an impurity
Fabrizio Dolcini1, Hermann Grabert, Inès Safi
1Physikalisches Institut, Albert-Ludwigs-Universität, 79104 Freiburg, Germany.
Physical Review Letters
|February 3, 2004
Abstract:
The nonlinear conductance of a one-dimensional quantum wire adiabatically coupled to Fermi liquid electron reservoirs is determined in the presence of an impurity. We show that electron-electron interaction in connection with the finite length of the wire leads to characteristic oscillations in the current as a function of the applied voltage.