Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quantum Dot coupled to a normal and a superconducting lead   We report on electrical transport measurements in a carbon nanotube quantum
dot coupled to a normal and a superconducting lead. Depending on the ratio of
Kondo temperature $T_{K}$ and superconducting gap $\Delta$ the zero bias
conductance resonance either is split into two side-peaks or persists. We also
compare our data with a simple model of a resonant level - superconductor
interface.

35
The categories of this paper are: mtrl-th
25
The categories of this paper are: patt-sol
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
8
The categories of this paper are: hep-ex
10
The categories of this paper are: q-bio
21
The categories of this paper are: adap-org
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom
1
The categories of this paper are: cs
7
The categories of this paper are: hep-th
29
The categories of this paper are: funct-an
6
The categories of this paper are: astro-ph
34
The categories of this paper are: chem-ph