Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Full counting statistics for orbital-degenerate impurity Anderson model
  with Hund's rule exchange coupling   We study non-equilibrium current fluctuations through a quantum dot, which
includes a ferromagnetic Hund's rule coupling $J$, in the low-energy Fermi
liquid regime using the renormalized perturbation theory. The resulting
cumulant for the current distribution in the particle-hole symmetric case,
shows that spin-triplet and spin-singlet pairs of quasiparticles are formed in
the current due to the Hund's rule coupling and these pairs enhance the current
fluctuations. In the fully screened higher-spin Kondo limit, the Fano factor
takes a value $F_b = (9M+6)/ (5M+4)$ determined by the orbital degeneracy $M$.
We also investigate crossover between the small and large $J$ limits in the
two-orbital case M=2, using the numerical renormalization group approach.

17
The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph
21
The categories of this paper are: adap-org
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
19
The categories of this paper are: eess
6
The categories of this paper are: astro-ph
1
The categories of this paper are: cs
3
The categories of this paper are: physics
12
The categories of this paper are: nucl-th
34
The categories of this paper are: chem-ph
10
The categories of this paper are: q-bio
7
The categories of this paper are: hep-th
18
The categories of this paper are: econ
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol