Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fisher information universally identifies quantum resources   We show that both the classical as well as the quantum definitions of the
Fisher information faithfully identify resourceful quantum states in general
quantum resource theories, in the sense that they can always distinguish
between states with and without a given resource. This shows that all quantum
resources confer an advantage in metrology, and establishes the Fisher
information as a universal tool to probe the resourcefulness of quantum states.
We provide bounds on the extent of this advantage, as well as a simple
criterion to test whether different resources are useful for the estimation of
unitarily encoded parameters. Finally, we extend the results to show that the
Fisher information is also able to identify the dynamical resourcefulness of
quantum operations.

33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
14
The categories of this paper are: math-ph
3
The categories of this paper are: physics
16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
5
The categories of this paper are: gr-qc
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
32
The categories of this paper are: atom-ph
29
The categories of this paper are: funct-an
23
The categories of this paper are: solv-int