Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Aging and multiscaling in out of equilibrium dynamical processes in
  granular media   In the framework of recently introduced frustrated lattice gas models, we
study the out of equilibrium dynamical processes during the compaction process
in granular media. We find irreversible-reversible cycles in agreement with
recent experimental observations. Moreover in analogy with the phenomenology of
the glass transition we find aging effects during the compaction process In
particular we find that the two time density correlation function $C(t,t')$
asymptotically scales as a function of the single variable $\ln(t')/\ln(t)$.
This result is interpreted in terms of multiscaling properties of the system.

32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
30
The categories of this paper are: q-alg
36
The categories of this paper are: cmp-lg
27
The categories of this paper are: comp-gas
28
The categories of this paper are: alg-geom
26
The categories of this paper are: bayes-an