Entanglement in a quantum annealing processor; Arxiv.org
| Parent link: | Arxiv.org.— 2014.— Quantum Physics |
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| Erakunde egilea: | |
| Beste egile batzuk: | , , , , , , , , , , , , , , , , , , , , , , , , , |
| Gaia: | Title screen Entanglement lies at the core of quantum algorithms designed to solve problems that are intractable by classical approaches. One such algorithm, quantum annealing (QA), provides a promising path to a practical quantum processor. We have built a series of scalable QA processors consisting of networks of manufactured interacting spins (qubits). Here, we use qubit tunneling spectroscopy to measure the energy eigenspectrum of two- and eight-qubit systems within one such processor, demonstrating quantum coherence in these systems. We present experimental evidence that, during a critical portion of QA, the qubits become entangled and that entanglement persists even as these systems reach equilibrium with a thermal environment. Our results provide an encouraging sign that QA is a viable technology for large-scale quantum computing |
| Hizkuntza: | ingelesa |
| Argitaratua: |
2014
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| Gaiak: | |
| Sarrera elektronikoa: | http://arxiv.org/abs/1401.3500 |
| Formatua: | Baliabide elektronikoa Liburu kapitulua |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=637032 |
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| 200 | 1 | |a Entanglement in a quantum annealing processor |f T. Lanting [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 11-12 (39 tit.)] | ||
| 330 | |a Entanglement lies at the core of quantum algorithms designed to solve problems that are intractable by classical approaches. One such algorithm, quantum annealing (QA), provides a promising path to a practical quantum processor. We have built a series of scalable QA processors consisting of networks of manufactured interacting spins (qubits). Here, we use qubit tunneling spectroscopy to measure the energy eigenspectrum of two- and eight-qubit systems within one such processor, demonstrating quantum coherence in these systems. We present experimental evidence that, during a critical portion of QA, the qubits become entangled and that entanglement persists even as these systems reach equilibrium with a thermal environment. Our results provide an encouraging sign that QA is a viable technology for large-scale quantum computing | ||
| 463 | |t Arxiv.org |v Quantum Physics |d 2014 | ||
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| 701 | 1 | |a Lanting |b T. | |
| 701 | 1 | |a Przybysz |b A. J. | |
| 701 | 1 | |a Smirnov |b A. Yu. | |
| 701 | 1 | |a Spedalieri |b F. M. | |
| 701 | 1 | |a Amin |b M. H. | |
| 701 | 1 | |a Berkley |b A. J. | |
| 701 | 1 | |a Harris |b R. | |
| 701 | 1 | |a Altomare |b F. | |
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| 701 | 1 | |a Dickson |b N. | |
| 701 | 1 | |a Enderud |b C. | |
| 701 | 1 | |a Hilton |b J. P. | |
| 701 | 1 | |a Hoskinson |b E. | |
| 701 | 1 | |a Johnson |b M. W. | |
| 701 | 1 | |a Ladizinsky |b E. | |
| 701 | 1 | |a Ladizinsky |b N. | |
| 701 | 1 | |a Neufeld |b R. | |
| 701 | 1 | |a Oh |b T. | |
| 701 | 1 | |a Perminov |b I. | |
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| 701 | 1 | |a Thom |b M. C. | |
| 701 | 1 | |a Tolkacheva |b E. | |
| 701 | 1 | |a Uchaykin |b S. V. |c specialist in the field of non-destructive testing |c Engineer of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1963- |g Sergey Victorovich |3 (RuTPU)RU\TPU\pers\32279 | |
| 701 | 1 | |a Wilson |b A. B. | |
| 701 | 1 | |a Rose |b G. | |
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| 856 | 4 | |u http://arxiv.org/abs/1401.3500 | |
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