Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Superconducting Dome and Crossover to an Insulating State in
  [Tl4]Tl1-xSnxTe3   The structural, superconducting, and electronic phase diagram of
[Tl4]Tl1-xSnxTe3 is reported. Magnetization and specific heat measurements show
bulk superconductivity exists for 0 < x < 0.4. Resistivity measurements
indicate a crossover from a metallic state for low dopings to a doped insulator
at x = 1. Universally, there is a large non-Debye specific heat contribution,
characterized by an Einstein temperature of {\theta}E ~ 35 K. Density
functional theory calculations predict x = 0 to be a topological metal, while x
= 1 is a topological crystalline insulator. The disappearance of
superconductivity correlates with the transition between these distinct
topological states.

8
The categories of this paper are: hep-ex
22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
5
The categories of this paper are: gr-qc
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
23
The categories of this paper are: solv-int
25
The categories of this paper are: patt-sol
35
The categories of this paper are: mtrl-th
18
The categories of this paper are: econ