Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The role of quench rate in colloidal gels   Interactions between colloidal particles have hitherto usually been fixed by
the suspension composition. Recent experimental developments now enable the
control of interactions \emph{in-situ}. Here we use Brownian dynamics
simulations to investigate the effect of controlling interactions on gelation,
by "quenching" the system from an equilibrium fluid to a gel. We find that,
contrary to the normal case of an instantaneous quench, where the local
structure of the gel is highly disordered, controlled quenching results in a
gel with a higher degree of local order. Under sufficiently slow quenching,
local crystallisation is found, which is strongly enhanced when a monodisperse
system is used. The higher the degree of local order, the smaller the mean
squared displacement, indicating an enhancement of gel stability.

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The categories of this paper are: quant-ph
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The categories of this paper are: stat
8
The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
3
The categories of this paper are: physics
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th
15
The categories of this paper are: nucl-ex
18
The categories of this paper are: econ
31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
9
The categories of this paper are: nlin
37
The categories of this paper are: supr-con
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The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: nucl-th