Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Disorder-immune metasurfaces with constituents exhibiting the anapole
  mode   Common optical metasurfaces are 2-dimensional functional devices composed of
periodically arranged subwavelength constituents. Here, we achieved the
positional-disorder-immune metasurfaces composed of core-shell cylinders which
successively exhibit the magnetic dipole (MD) resonant, non-radiating anapole,
and electric dipole (ED) resonant modes when their outer radii are fixed and
the inner radii changes continuously in a range. The performances of the
metasurfaces under a periodically structural design are not degraded even when
the positions of the cylinders are subjected to random and considerable
displacements. The positional-disorder-immunity is due to the weak non-local
effect of the metasurfaces. Because the multiple scattering among cylinders is
weak and insensitive to the spacing among the cylinders around the ED and MD
resonant modes and vanishing irrespective of the spacing at the non-radiating
anapole mode, the reflection properties including the reflection phase and
reflectivity of the metasurfaces are insensitive to the spacing between
neighboring cylinders for this entire variation range of the inner radius. The
positional-disorder-immunity make the metasurface to be adapted to some
unstable and harsh environments.

30
The categories of this paper are: q-alg
19
The categories of this paper are: eess
21
The categories of this paper are: adap-org
4
The categories of this paper are: cond-mat
25
The categories of this paper are: patt-sol
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th
24
The categories of this paper are: dg-ga
17
The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
35
The categories of this paper are: mtrl-th
36
The categories of this paper are: cmp-lg
2
The categories of this paper are: math