Entanglement in a quantum annealing processor
| Parent link: | Arxiv.org. Quantum Physics.— , 2014 |
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| Autor Corporativo: | |
| Outros autores: | , , , , , , , , , , , , , , , , , , , , , , , , , |
| Summary: | 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 |
| Idioma: | inglés |
| Publicado: |
2014
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| Subjects: | |
| Acceso en liña: | http://arxiv.org/abs/1401.3500 |
| Formato: | Electrónico Capítulo de libro |
| 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.] | |
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| 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 Smirnov |b A. Yu. | |
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| 701 | 1 | |a Amin |b M. H. | |
| 701 | 1 | |a Berkley |b A. J. | |
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