Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Teleportation and spin squeezing utilizing multimode entanglement of
  light with atoms   We present a protocol for the teleportation of the quantum state of a pulse
of light onto the collective spin state of an atomic ensemble. The entangled
state of light and atoms employed as a resource in this protocol is created by
probing the collective atomic spin, Larmor precessing in an external magnetic
field, off resonantly with a coherent pulse of light. We take here for the
first time full account of the effects of Larmor precession and show that it
gives rise to a qualitatively new type of multimode entangled state of light
and atoms. The protocol is shown to be robust against the dominating sources of
noise and can be implemented with an atomic ensemble at room temperature
interacting with free space light. We also provide a scheme to perform the
readout of the Larmor precessing spin state enabling the verification of
successful teleportation as well as the creation of spin squeezing.

35
The categories of this paper are: mtrl-th
1
The categories of this paper are: cs
3
The categories of this paper are: physics
23
The categories of this paper are: solv-int
18
The categories of this paper are: econ
17
The categories of this paper are: q-fin
14
The categories of this paper are: math-ph
33
The categories of this paper are: plasm-ph
4
The categories of this paper are: cond-mat
29
The categories of this paper are: funct-an
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
21
The categories of this paper are: adap-org
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con