Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Deterministic and probabilistic entanglement swapping of nonmaximally
  entangled states assisted by optimal quantum state discrimination   We analyze entanglement swapping (ES) of partially entangled pure states with
arbitrary Schmidt rank from the perspective of quantum state discrimination. It
is shown that the standard deterministic ES protocol is related with an optimal
minimum-error strategy. In this case the amount of entanglement of the states
resulting from swapping is, in general, lower than the maximum achievable for
the quantum channels involved. In this regard, we show that the ES protocol can
be probabilistically improved resorting to optimal maximum-confidence (MC)
discrimination strategy. Additionally, we show that the success probability of
achieving entanglement above a prescribed value from standard deterministic ES
can be increased by applying sequential MC measurements.

18
The categories of this paper are: econ
34
The categories of this paper are: chem-ph
8
The categories of this paper are: hep-ex
16
The categories of this paper are: stat
37
The categories of this paper are: supr-con
21
The categories of this paper are: adap-org
5
The categories of this paper are: gr-qc
23
The categories of this paper are: solv-int
10
The categories of this paper are: q-bio
3
The categories of this paper are: physics
36
The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
0
The categories of this paper are: hep-ph
35
The categories of this paper are: mtrl-th
33
The categories of this paper are: plasm-ph
24
The categories of this paper are: dg-ga