dorsal/arxiv
View SchemaNovel schemes for measurement-based quantum computation
| Authors | D. Gross, J. Eisert |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0609149 |
| URL | https://arxiv.org/abs/quant-ph/0609149 |
| DOI | 10.1103/PhysRevLett.98.220503 |
| Journal | Phys. Rev. Lett. 98, 220503 (2007) |
Abstract
We establish a framework which allows one to construct novel schemes for measurement-based quantum computation. The technique further develops tools from many-body physics - based on finitely correlated or projected entangled pair states - to go beyond the cluster-state based one-way computer. We identify resource states that are radically different from the cluster state, in that they exhibit non-vanishing correlation functions, can partly be prepared using gates with non-maximal entangling power, or have very different local entanglement properties. In the computational models, the randomness is compensated in a different manner. It is shown that there exist resource states which are locally arbitrarily close to a pure state. Finally, we comment on the possibility of tailoring computational models to specific physical systems as, e.g. cold atoms in optical lattices.
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"abstract": "We establish a framework which allows one to construct novel schemes for\nmeasurement-based quantum computation. The technique further develops tools\nfrom many-body physics - based on finitely correlated or projected entangled\npair states - to go beyond the cluster-state based one-way computer. We\nidentify resource states that are radically different from the cluster state,\nin that they exhibit non-vanishing correlation functions, can partly be\nprepared using gates with non-maximal entangling power, or have very different\nlocal entanglement properties. In the computational models, the randomness is\ncompensated in a different manner. It is shown that there exist resource states\nwhich are locally arbitrarily close to a pure state. Finally, we comment on the\npossibility of tailoring computational models to specific physical systems as,\ne.g. cold atoms in optical lattices.",
"arxiv_id": "quant-ph/0609149",
"authors": [
"D. Gross",
"J. Eisert"
],
"categories": [
"quant-ph",
"cond-mat.other"
],
"doi": "10.1103/PhysRevLett.98.220503",
"journal_ref": "Phys. Rev. Lett. 98, 220503 (2007)",
"title": "Novel schemes for measurement-based quantum computation",
"url": "https://arxiv.org/abs/quant-ph/0609149"
},
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