Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Kossel diffraction and photonic modes in one-dimensional photonic
  crystal   Kossel diffraction under standing-wave excitation in a one-dimensional
photonic crystal is investigated. It is shown that by combining the reciprocity
theorem, the Fermi golden rule and the concept of density of photonic modes, it
is possible to predict the behaviour of the Kossel diffraction in such a
system.

25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
35
The categories of this paper are: mtrl-th
6
The categories of this paper are: astro-ph
19
The categories of this paper are: eess
9
The categories of this paper are: nlin
18
The categories of this paper are: econ
7
The categories of this paper are: hep-th
16
The categories of this paper are: stat
11
The categories of this paper are: hep-lat
2
The categories of this paper are: math
23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
17
The categories of this paper are: q-fin
12
The categories of this paper are: nucl-th