Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Generation of entangled states of two traveling modes for fixed number
  of photon   We present an scheme to generate entangled state between two traveling modes
for fixed number of photon, which is based on beam splitter transformation and
conditional zero photon counters.

6
The categories of this paper are: astro-ph
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat
17
The categories of this paper are: q-fin
0
The categories of this paper are: hep-ph
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
20
The categories of this paper are: acc-phys
29
The categories of this paper are: funct-an
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess
9
The categories of this paper are: nlin
32
The categories of this paper are: atom-ph
26
The categories of this paper are: bayes-an