|
| related topics |
| {qubit, qubits, gate} |
| {error, code, errors} |
| {state, phys, rev} |
| {state, algorithm, problem} |
| {measurement, state, measurements} |
| {alice, bob, state} |
| {photon, photons, single} |
| {states, state, optimal} |
| {let, theorem, proof} |
| {cos, sin, state} |
|
Loss tolerance in one-way quantum computation via counterfactual error
correction
Michael Varnava, Daniel E. Browne, Terry Rudolph
abstract: We introduce a scheme for fault tolerantly dealing with losses (or other
"leakage" errors) in cluster state computation that can tolerate up to 50%
qubit loss. This is achieved passively using an adaptive strategy of
measurement - no coherent measurements or coherent correction is required.
Since the scheme relies on inferring information about what would have been the
outcome of a measurement had one been able to carry it out, we call this
"counterfactual" error correction.
- oai_identifier:
- oai:arXiv.org:quant-ph/0507036
- categories:
- quant-ph
- comments:
- Published version - much revised and with a new title. Here we now
focus solely on the general aspects of the protocol - a much expanded and
improved discussion of its application in linear optical quantum computation
can now be found in quant-ph/0702044
- doi:
- 10.1103/PhysRevLett.97.120501
- arxiv_id:
- quant-ph/0507036
- journal_ref:
- Phys. Rev. Lett. 97, 120501 (2006)
- created:
- 2005-07-04
- updated:
- 2007-02-05
Full article ▸
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