Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Statistical Mechanics of Splay Flexoelectricity in Nematic Liquid
  Crystals   We develop a lattice model for the splay flexoelectric effect in nematic
liquid crystals. In this model, each lattice site has a spin representing the
local molecular orientation, and the interaction between neighboring spins
represents pear-shaped molecules with shape polarity. We perform Monte Carlo
simulations and mean-field calculations to find the behavior as a function of
interaction parameters, temperature, and applied electric field. The resulting
phase diagram has three phases: isotropic, nematic, and polar. In the nematic
phase, there is a large splay flexoelectric effect, which diverges as the
system approaches the transition to the polar phase. These results show that
flexoelectricity is a statistical phenomenon associated with the onset of polar
order.

35
The categories of this paper are: mtrl-th
30
The categories of this paper are: q-alg
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
21
The categories of this paper are: adap-org
13
The categories of this paper are: quant-ph
16
The categories of this paper are: stat
34
The categories of this paper are: chem-ph
31
The categories of this paper are: ao-sci
23
The categories of this paper are: solv-int
27
The categories of this paper are: comp-gas
9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
10
The categories of this paper are: q-bio
0
The categories of this paper are: hep-ph
2
The categories of this paper are: math