dorsal/arxiv
View SchemaQuantum Pattern Retrieval by Qubit Networks with Hebb Interactions
| Authors | M. Cristina Diamantini, Carlo A. Trugenberger |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0609117 |
| URL | https://arxiv.org/abs/quant-ph/0609117 |
| DOI | 10.1103/PhysRevLett.97.130503 |
Abstract
Qubit networks with long-range interactions inspired by the Hebb rule can be used as quantum associative memories. Starting from a uniform superposition, the unitary evolution generated by these interactions drives the network through a quantum phase transition at a critical computation time, after which ferromagnetic order guarantees that a measurement retrieves the stored memory. The maximum memory capacity p of these qubit networks is reached at a memory density p/n=1.
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"abstract": "Qubit networks with long-range interactions inspired by the Hebb rule can be\nused as quantum associative memories. Starting from a uniform superposition,\nthe unitary evolution generated by these interactions drives the network\nthrough a quantum phase transition at a critical computation time, after which\nferromagnetic order guarantees that a measurement retrieves the stored memory.\nThe maximum memory capacity p of these qubit networks is reached at a memory\ndensity p/n=1.",
"arxiv_id": "quant-ph/0609117",
"authors": [
"M. Cristina Diamantini",
"Carlo A. Trugenberger"
],
"categories": [
"quant-ph",
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"cs.NE"
],
"doi": "10.1103/PhysRevLett.97.130503",
"title": "Quantum Pattern Retrieval by Qubit Networks with Hebb Interactions",
"url": "https://arxiv.org/abs/quant-ph/0609117"
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