Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Nickelate superconductors: an ongoing dialog between theory and
  experiments   After decades of fundamental research, unconventional superconductivity has
recently been demonstrated in rare-earth infinite-layer nickelates. The current
view depicts these systems as a new category of superconducting materials, as
they appear to be correlated metals with distinct multiband features in their
phase diagram. Here, we provide an overview of the state of the art in this
rapidly evolving topic.

13
The categories of this paper are: quant-ph
30
The categories of this paper are: q-alg
23
The categories of this paper are: solv-int
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
29
The categories of this paper are: funct-an
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
0
The categories of this paper are: hep-ph
32
The categories of this paper are: atom-ph
20
The categories of this paper are: acc-phys
3
The categories of this paper are: physics
12
The categories of this paper are: nucl-th