|
| related topics |
| {state, states, entangled} |
| {let, theorem, proof} |
| {alice, bob, state} |
| {states, state, optimal} |
| {operator, operators, space} |
|
Characterization of Distillable and Activable States using Entanglement
Witnesses
B. Kraus, M. Lewenstein, J. I. Cirac
abstract: We introduce a formalism that connections entanglement witnesses and the
distillation and activation properties of a state. We apply this formalism to
two cases: First, we rederive the results presented in quant-ph/0104095 by
Eggeling et al., namely that on copy of any bipartite state with non--positive
partial transpose (NPPT) is either distillable, or activable. Second, we show
that there exist three--partite NPPT states, with the property that two copies
can neither be distilled, nor activated.
- oai_identifier:
- oai:arXiv.org:quant-ph/0110174
- categories:
- quant-ph
- comments:
- 10 pages, no figures
- doi:
- 10.1103/PhysRevA.65.042327
- arxiv_id:
- quant-ph/0110174
- journal_ref:
- Phys. Rev. A 65, 042327 (2002)
- created:
- 2001-10-31
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