Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Work fluctuations in a nematic liquid crystal   The orientation fluctuations of the director of a liquid crystal are
measured, by a sensitive polarization interferometer, close to the
Fr\'eedericksz transition, which is a second order transition driven by an
electric field. Using mean field theory, we define the work injected into the
system by a change of the electric field and we calibrate it using
Fluctuation-Dissipation Theorem. We show that the work fluctuations satisfy the
Transient Fluctuation Theorem. An analytical justification of this result is
given. The open problems for the out of equilibrium case are finally discussed.

23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
2
The categories of this paper are: math
34
The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th
7
The categories of this paper are: hep-th
32
The categories of this paper are: atom-ph
28
The categories of this paper are: alg-geom
10
The categories of this paper are: q-bio
13
The categories of this paper are: quant-ph
20
The categories of this paper are: acc-phys
11
The categories of this paper are: hep-lat
19
The categories of this paper are: eess