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Universal scaling in nonequilibrium transport through an Anderson
impurity
release_up2fdupmrvbvzpgw5yg36znjkq
by
Julian Rincon,
A. A. Aligia and K. Hallberg (Centro Atomico Bariloche
and Instituto Balseiro,
Argentina)
Released
as a article
.
2009
Abstract
Using non-equilibrium renormalized perturbation theory, we calculate the
conductance G as a function of temperature T and bias voltage V for an Anderson
model, suitable for describing transport properties through a quantum dot. For
renormalized parameters that correspond to the extreme Kondo limit, we do not
find a simple scaling formula beyond a quadratic dependence in T and V.
However, if valence fluctuations are allowed, we find agreement with recent
experiments.
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0901.4326v1
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