|
| related topics |
| {light, field, probe} |
| {time, decoherence, evolution} |
| {state, phys, rev} |
| {level, atom, field} |
| {operator, operators, space} |
| {cos, sin, state} |
| {spin, pulse, spins} |
| {time, wave, function} |
| {bell, inequality, local} |
|
Possibility of Inhomogeneous Coupling Leading to Decoherence in an
Electromagnetically-Induced-Transparency Quantum-Memory Process
Xiong-Jun Liu, Zheng-Xin Liu, Xin Liu, Mo-Lin Ge
abstract: The effect of inhomogeneous coupling between three-level atoms and external
light fields is studied in the electromagnetically induced transparency (EIT)
quantum memory techqnique. By introducing a subensemble-atomic system to deal
with present inhomogeneous coupling case, we find there is a non-symmetric
dark-state subspace (DSS) that allows the EIT quantum memory technique to
function perfectly. This shows that such memory scheme can work ideally even if
the atomic state is very far from being a symmetric one.
- oai_identifier:
- oai:arXiv.org:quant-ph/0510141
- categories:
- quant-ph
- comments:
- 7 pages
- doi:
- 10.1103/PhysRevA.73.013825
- arxiv_id:
- quant-ph/0510141
- journal_ref:
- Phys. Rev. A 73, 013825 (2006)
- created:
- 2005-10-18
Full article ▸
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