Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Dynamics of inert spheres in active suspensions of micro-rotors   Inert particles suspended in active fluids of self-propelled particles are
known to often exhibit enhanced diffusion and novel coherent structures. Here
we numerically investigate the dynamical behavior and self-organization in a
system consisting of passive and actively rotating spheres. The particles
interact through direct collisions and the fluid flows generated as they move.
In the absence of passive particles, three states emerge in a binary mixture of
spinning spheres depending on particle fraction: a dilute gas-like state where
the rotors move chaotically, a phase-separated state where like-rotors move in
lanes or vortices, and a jammed state where crystals continuously assemble,
melt and move (K. Yeo, E. Lushi, and P. M. Vlahovska, Phys. Rev. Lett. 114,
188301 (2015)). Passive particles added to the rotor suspension modify the
system dynamics and pattern formation: while states identified in the pure
active suspension still emerge, they occur at different densities and mixture
proportions. The dynamical behavior of the inert particles is also
non-trivially dependent on the system composition.

31
The categories of this paper are: ao-sci
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The categories of this paper are: q-alg
21
The categories of this paper are: adap-org
34
The categories of this paper are: chem-ph
7
The categories of this paper are: hep-th
22
The categories of this paper are: chao-dyn
32
The categories of this paper are: atom-ph
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
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The categories of this paper are: stat
18
The categories of this paper are: econ
11
The categories of this paper are: hep-lat
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The categories of this paper are: dg-ga
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The categories of this paper are: bayes-an
0
The categories of this paper are: hep-ph