dorsal/arxiv
View SchemaPhase Information in Quantum Oracle Computing
| Authors | J. Machta |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/9805022 |
| URL | https://arxiv.org/abs/quant-ph/9805022 |
Abstract
Computational devices may be supplied with external sources of information (oracles). Quantum oracles may transmit phase information which is available to a quantum computer but not a classical computer. One consequence of this observation is that there is an oracle which is of no assistance to a classical computer but which allows a quantum computer to solve undecidable problems. Thus useful relativized separations between quantum and classical complexity classes must exclude the transmission of phase information from oracle to computer.
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"abstract": "Computational devices may be supplied with external sources of information\n(oracles). Quantum oracles may transmit phase information which is available to\na quantum computer but not a classical computer. One consequence of this\nobservation is that there is an oracle which is of no assistance to a classical\ncomputer but which allows a quantum computer to solve undecidable problems.\nThus useful relativized separations between quantum and classical complexity\nclasses must exclude the transmission of phase information from oracle to\ncomputer.",
"arxiv_id": "quant-ph/9805022",
"authors": [
"J. Machta"
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"quant-ph"
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"title": "Phase Information in Quantum Oracle Computing",
"url": "https://arxiv.org/abs/quant-ph/9805022"
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