Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Depletion interaction effects on the tunneling conductivity of nanorod
  suspensions   We study by simulation and theory how the addition of insulating spherical
particles affects the conductivity of fluids of conducting rods, modeled by
spherocylinders. The electrical connections are implemented as tunneling
processes, leading to a more detailed and realistic description than a
discontinuous percolation approach. We find that the spheres enhance the
tunneling conductivity for a given concentration of rods and that the
enhancement increases with rod concentration into the regime where the
conducting network is well established. By reformulating the network of rods
using a critical path analysis, we quantify the effect of depletion-induced
attraction between the rods due to the spheres. Furthermore, we show that our
conductivity data are quantitatively reproduced by an effective medium
approximation, which explicitly relates the system tunneling conductance to the
structure of the rod-sphere fluid.

18
The categories of this paper are: econ
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
26
The categories of this paper are: bayes-an
27
The categories of this paper are: comp-gas
13
The categories of this paper are: quant-ph