|
| related topics |
| {state, states, entangled} |
| {level, atom, field} |
| {bell, inequality, local} |
| {state, phys, rev} |
| {cavity, atom, atoms} |
| {group, space, representation} |
| {phase, path, phys} |
| {operator, operators, space} |
| {photon, photons, single} |
| {entanglement, phys, rev} |
| {cos, sin, state} |
| {time, decoherence, evolution} |
| {key, protocol, security} |
| {state, states, coherent} |
| {vol, operators, histories} |
| {measurement, state, measurements} |
| {alice, bob, state} |
|
Entanglement and the SU(2) phase states in atomic systems
M. Ali Can, Alexander A. Klyachko, Alexander S. Shumovsky
abstract: We show that a system of 2n identical two-level atoms interacting with n
cavity photons manifests entanglement and that the set of entangled states
coincides with the so-called SU(2) phase states. In particular, violation of
classical realism in terms of the GHZ and GHSH conditions is proved. We discuss
a new property of entanglement expressed in terms of local measurements. We
also show that generation of entangled states in the atom-photon systems under
consideration strongly depends on the choice of initial conditions and that the
parasitic influence of cavity detuning can be compensated through the use of
Kerr medium.
- oai_identifier:
- oai:arXiv.org:quant-ph/0202041
- categories:
- quant-ph
- comments:
- 10 pages, 1 figure
- doi:
- 10.1103/PhysRevA.66.022111
- arxiv_id:
- quant-ph/0202041
- journal_ref:
- PRA, 66, 022111 (2002)
- created:
- 2002-02-07
- updated:
- 2002-09-30
Full article ▸
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