|
| related topics |
| {error, code, errors} |
| {states, state, optimal} |
| {qubit, qubits, gate} |
| {vol, operators, histories} |
| {equation, function, exp} |
| {state, states, coherent} |
| {state, phys, rev} |
| {time, decoherence, evolution} |
| {cos, sin, state} |
| {information, entropy, channel} |
| {let, theorem, proof} |
| {operator, operators, space} |
|
Approximate quantum error correction can lead to better codes
D. W. Leung, M. A. Nielsen, I. L. Chuang, Y. Yamamoto
abstract: We present relaxed criteria for quantum error correction which are useful
when the specific dominant noise process is known. These criteria have no
classical analogue. As an example, we provide a four-bit code which corrects
for a single amplitude damping error. This code violates the usual Hamming
bound calculated for a Pauli description of the error process, and does not fit
into the GF(4) classification.
- oai_identifier:
- oai:arXiv.org:quant-ph/9704002
- categories:
- quant-ph
- comments:
- 7 pages, 2 figures, submitted to Phys. Rev. A
- doi:
- 10.1103/PhysRevA.56.2567
- arxiv_id:
- quant-ph/9704002
- journal_ref:
- Phys.Rev.A56:2567-2573,1997
- created:
- 1997-04-02
Full article ▸
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