|
| related topics |
| {information, entropy, channel} |
| {energy, gaussian, time} |
| {state, states, coherent} |
| {state, states, entangled} |
| {entanglement, phys, rev} |
| {state, phys, rev} |
| {error, code, errors} |
| {photon, photons, single} |
| {light, field, probe} |
| {time, decoherence, evolution} |
| {states, state, optimal} |
| {group, space, representation} |
|
Gaussian quantum channels
J. Eisert, M. M. Wolf
abstract: This article provides an elementary introduction to Gaussian channels and
their capacities. We review results on the classical, quantum, and entanglement
assisted capacities and discuss related entropic quantities as well as
additivity issues. Some of the known results are extended. In particular, it is
shown that the quantum conditional entropy is maximized by Gaussian states and
that some implications for additivity problems can be extended to the Gaussian
setting.
- oai_identifier:
- oai:arXiv.org:quant-ph/0505151
- categories:
- quant-ph
- comments:
- 20 pages, LaTeX. Review article, previously unpublished material in
Sections 3.3 and 5.4
- arxiv_id:
- quant-ph/0505151
- journal_ref:
- Quantum Information with Continous Variables of Atoms and Light,
pages 23-42 (Imperial College Press, London, 2007)
- created:
- 2005-05-20
Full article ▸
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