|
| related topics |
| {state, states, entangled} |
| {bell, inequality, local} |
| {cos, sin, state} |
| {let, theorem, proof} |
|
Classification and monogamy of three-qubit biseparable Bell correlations
Michael Seevinck
abstract: We strengthen the set of Bell-type inequalities presented by Sun & Fei [Phys.
Rev. A 74, 032335 (2006)] that give a classification for biseparable
correlations and entanglement in tripartite quantum systems. We will
furthermore consider the restriction to local orthogonal spin observables and
show that this strengthens all previously known such tripartite inequalities.
The quadratic inequalities we find indicate a type of monogamy of maximal
biseparable three-particle quantum correlations, although the nonmaximal ones
can be shared. This is contrasted to recently found monogamy inequalities for
bipartite Bell correlations in tripartite systems.
- oai_identifier:
- oai:arXiv.org:quant-ph/0702257
- categories:
- quant-ph
- comments:
- Accepted final version for PRA. 6 pages
- doi:
- 10.1103/PhysRevA.76.012106
- arxiv_id:
- quant-ph/0702257
- journal_ref:
- Physical Review A, vol. 76, 012106 (2007)
- created:
- 2007-02-27
- updated:
- 2007-05-29
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