Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Multipartite entangled magnon states as quantum communication channels   We explicate conditions under which, the two magnon state becomes highly
entangled and is useful for several quantum communication protocols. This
state, which is experimentally realizable in quantum dots using Heisenberg
exchange interaction, is found to be suitable for carrying out deterministic
teleportation of an arbitrary two qubit composite system. Further, conditions
for which the channel capacity reaches "Holevo bound", allowing maximal amount
of classical information to be encoded, are derived. Later, an explicit
protocol for the splitting and sharing of a two qubit entangled state among two
parties, using this state as an entangled resource, is demonstrated.

14
The categories of this paper are: math-ph
4
The categories of this paper are: cond-mat
30
The categories of this paper are: q-alg
25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org
29
The categories of this paper are: funct-an
33
The categories of this paper are: plasm-ph
0
The categories of this paper are: hep-ph
6
The categories of this paper are: astro-ph
20
The categories of this paper are: acc-phys
2
The categories of this paper are: math
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
27
The categories of this paper are: comp-gas
9
The categories of this paper are: nlin
16
The categories of this paper are: stat