|
| related topics |
| {entanglement, phys, rev} |
| {states, state, optimal} |
| {alice, bob, state} |
| {key, protocol, security} |
| {state, states, entangled} |
| {qubit, qubits, gate} |
| {let, theorem, proof} |
| {group, space, representation} |
| {state, algorithm, problem} |
| {state, phys, rev} |
| {algorithm, log, probability} |
| {bell, inequality, local} |
| {operator, operators, space} |
|
Local permutations of products of Bell states and entanglement
distillation
Jeroen Dehaene, Maarten Van den Nest, Bart De Moor, Frank Verstraete
abstract: We present new algorithms for mixed-state multi-copy entanglement
distillation for pairs of qubits. Our algorithms perform significantly better
than the best known algorithms. Better algorithms can be derived that are tuned
for specific initial states. The new algorithms are based on a characterization
of the group of all locally realizable permutations of the 4^n possible tensor
products of n Bell states.
- oai_identifier:
- oai:arXiv.org:quant-ph/0207154
- categories:
- quant-ph
- comments:
- 6 pages, 1 figure
- doi:
- 10.1103/PhysRevA.67.022310
- arxiv_id:
- quant-ph/0207154
- journal_ref:
- Phys. Rev. A 67, 022310 (2003)
- created:
- 2002-07-26
Full article ▸
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