Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Inhomogeneities and impurities in a dense one-dimensional Rydberg
  lattice gas   We consider a dense one-dimensional laser-driven Rydberg lattice gas with
perfect nearest-neighbor blockade. The ground state of this system can be found
analytically in certain parameter regimes even when the applied fields are
inhomogeneous in space. We will use this unique feature to investigate the
effect of an impurity - introduced by the local variation of the laser
parameters - on the correlations of the many-body ground state. Moreover, we
explore the role of a staggered laser field which alternates from site to site
thereby breaking the sublattice symmetry. We demonstrate that this technique,
which can be applied experimentally, reveals insights into the role of
long-range interactions on the critical properties of a Rydberg gas. Our work
highlight novel possibilities for the exploration of many-body physics in
Rydberg lattice gases based on locally tuneable laser fields.

17
The categories of this paper are: q-fin
16
The categories of this paper are: stat
33
The categories of this paper are: plasm-ph
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
8
The categories of this paper are: hep-ex
14
The categories of this paper are: math-ph
21
The categories of this paper are: adap-org
5
The categories of this paper are: gr-qc
27
The categories of this paper are: comp-gas
7
The categories of this paper are: hep-th
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg