Christoph B. M. Hörig, Dirk Schuricht
We study the nonequilibrium transport through a multichannel Kondo quantum
dot in the presence of a magnetic field. We use the exact solution of the
two-loop renormalization group equation to derive analytical results for the
renormalized magnetic field, the spin relaxation rates, the magnetization, and
the current. We show that the finite magnetization leads to a coupling between
the conduction channels which manifests itself in additional features in the
differential conductance.
View original:
http://arxiv.org/abs/1202.4558
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