Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Influence of surface roughness on subdominant pairing in d-wave
  superconductors   We study a d-wave superconductor with dominant $d_{x^2-y^2}$-wave order
parameter and subdominant pairing in either the $s$- or the $d_{xy}$-wave
channel near a surface. In particular we analyze the influence of surface
roughness on the mixed order parameter which may break the time-reversal
symmetry. We find that the subdominant component is suppressed by the roughness
independent of its pairing symmetry; for very rough surfaces the subdominant
component may even vanish completely. Additionally we discuss a possible
real-valued admixture which counteracts the suppression of the
$d_{x^2-y^2}$-wave order parameter at the surface.

9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs
21
The categories of this paper are: adap-org
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
13
The categories of this paper are: quant-ph
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
12
The categories of this paper are: nucl-th
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex
37
The categories of this paper are: supr-con
0
The categories of this paper are: hep-ph
19
The categories of this paper are: eess