Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Non differentiable large-deviation functionals in boundary-driven
  diffusive systems   We study the probability of arbitrary density profiles in conserving
diffusive fields which are driven by the boundaries. We demonstrate the
existence of singularities in the large-deviation functional, the direct analog
of the free-energy in non-equilibrium systems. These singularities are unique
to non-equilibrium systems and are a direct consequence of the breaking of
time-reversal symmetry. This is demonstrated in an exactly-solvable model and
also in numerical simulations on a boundary-driven Ising model. We argue that
this singular behavior is expected to occur in models where the compressibility
has a deep enough minimum. The mechanism is explained using a simple model.

25
The categories of this paper are: patt-sol
36
The categories of this paper are: cmp-lg
13
The categories of this paper are: quant-ph
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
15
The categories of this paper are: nucl-ex
19
The categories of this paper are: eess
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
14
The categories of this paper are: math-ph
7
The categories of this paper are: hep-th
24
The categories of this paper are: dg-ga