Universal scaling in transport out of equilibrium through a single quantum dot using the noncrossing approximation

Abstract

The universal scaling behavior is studied for nonequilibrium transport through a quantum dot. To describe the dot we use the standard Anderson impurity model and use the non-equilibrium non-crossing approximation in the limit of infinite Coulomb repulsion. After solving de hamiltonian, we calculate the conductance through the system as a function of temperature $T$ and bias voltage $V$ in the Kondo and in the mixed valent regime. We obtain a good scaling function in both regimes. In particular, in the mixed valent regime, we find excellent agreement with recent experiments and previous theoretical works.

6 pages, 5 figures, Accepted Physical Review B

References in corpus (6)

• Quantum phase transition in a single-molecule quantum dot
• Universal Scaling in Non-equilibrium Transport Through a Single-Channel Kondo Dot
• Kondo resonances and anomalous gate dependence of electronic conduction in single-molecule transistors
• Universal Scaling of Nonequilibrium Transport in the Kondo Regime of Single Molecule Devices
• Nonequilibrium dynamics of a singlet-triplet Anderson impurity near the quantum phase transition
• Universal scaling in nonequilibrium transport through an Anderson impurity

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