|
related topics |
{state, algorithm, problem} |
{qubit, qubits, gate} |
{state, phys, rev} |
{alice, bob, state} |
{measurement, state, measurements} |
{spin, pulse, spins} |
{entanglement, phys, rev} |
{error, code, errors} |
{trap, ion, state} |
{cos, sin, state} |
|
Perfect Cluster States from Imperfect Global Entanglement
Michael C. Garrett, David L. Feder
abstract: The cluster state, the highly entangled state that is the central resource
for one-way quantum computing, can be efficiently generated in a variety of
physical implementations via global nearest-neighbor interactions. In practice,
a systematic phase error is expected in the entangling process, resulting in
imperfect cluster states. We present a stochastic measurement technique to
generate large perfect cluster states and other graph states with high
probability from imperfect cluster states even when their initial entanglement
is weak.
- oai_identifier:
- oai:arXiv.org:quant-ph/0605244
- categories:
- quant-ph cond-mat.other
- comments:
- 16 pages IOP style, 4 EPS figures; major revisions to the strategy
for growth of cluster states, 2 new figures, several new references; accepted
for publication in NJP
- doi:
- 10.1088/1367-2630/10/3/033009
- arxiv_id:
- quant-ph/0605244
- journal_ref:
- New J. Phys. 10 (2008) 033009
- created:
- 2006-05-29
- updated:
- 2008-02-13
Full article ▸
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