Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quantum Key Recycling with Optimal Key Recycling Rate based on Error
  Rate   We propose a new Quantum Key Recycling (QKR) protocol, which can tolerate the
noise in the quantum channel. Our QKR protocol recycles the used keys according
to the error rate. The key recycling rate of the pre-shared keys in our QKR
protocol is optimized depending on the real error rate in the quantum channel.
And our QKR protocol has higher efficiency than the exiting QKR protocol with
error-tolerance. The security proof shows the security of the recycled keys is
universal composable.

14
The categories of this paper are: math-ph
35
The categories of this paper are: mtrl-th
9
The categories of this paper are: nlin
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
17
The categories of this paper are: q-fin
11
The categories of this paper are: hep-lat
32
The categories of this paper are: atom-ph
8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess
24
The categories of this paper are: dg-ga