Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Theory of Andreev reflection in junctions with iron-based High-$T_c$
  superconductors   We construct a theory for low-energy quantum transport in
normal$\mid$superconductor junctions involving the recently discovered
iron-based high-$T_c$ superconductors. We properly take into account both
Andreev bound surface states and the complex Fermi surface topology in our
approach, and investigate the signatures of the possible order parameter
symmetries for the FeAs-lattice. Our results could be helpful in determining
the symmetry of the superconducting state in the iron-pnicitide
superconductors.

25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
19
The categories of this paper are: eess
27
The categories of this paper are: comp-gas
15
The categories of this paper are: nucl-ex
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph
33
The categories of this paper are: plasm-ph
23
The categories of this paper are: solv-int
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
32
The categories of this paper are: atom-ph
20
The categories of this paper are: acc-phys
13
The categories of this paper are: quant-ph